Detection method of ornithine content

Detection method of ornithine content, Total:462 items.

The international standard classification for "Detection method of ornithine content" includes: Acids , Animal feeding stuffs , Natural fibres , Chemical analysis , Beekeeping , Animal husbandry and breeding , Meat and meat products , Fruits. Vegetables , food products in general , Tea , Fishing and fish breeding , Non-destructive testing , Non-metalliferous minerals , Brazing and soldering , Fertilizers , Salts , Rubber , Ferrous metals , Cosmetics. Toiletries , Esters , Inorganic chemicals in general , Chemical reagents , Coals .

The Chinese standard classification for "Detection method of ornithine content" includes: Inorganic acid and alkali , Livestock and poultry feed and additive , Wool textile in general , Inorganic chemicals in general , Beekeeping, silkworm keeping , Animal husbandry in general , Ionizating Radiation Measurement , Meat processing and products , Cash crop in general , Fuel oil , Basic standards and general methods , Aquatic product and fishery in general , Basic standards and general methods , Metallurgical auxiliary material ore , Food sanitation , Welding and cutting , Rare metals and their alloys analysis method , Chemical fertilizer and chemical soil conditioner , Inorganic salt , Rubber products in general , Steel and iron alloy analysis method , Cosmetics , Chemical additive , Reagent and substance of high purity , Chemical fibre , Foods fermentation and brewing in general , Beverages in general , Grain processing and products , Melon, fruit and vegetable planting and product , Cereal crop and product , Tea products , Health foods .

Shandong Provincial Standard of the People's Republic of China

DB37/T 342-2003 Determination method of the content of latonidin sulfate
DB37/T 375-2003 Determination method of peracetic acid content
DB37/T 343-2003 Determination method of phosphate content in cod and other aquatic products
DB37/T 246-1997 Leather - method for determination of free chromic acid content
DB37/T 2094-2012 Determination of Hydroxyproline Content in Aquatic Products by High Performance Liquid Chromatography

Military Standard of the People's Republic of China-General Armament Department

GJB 533.20-1988 Methods for detection of 45 components of submarine cabin air. Determination of hydrazine content. Phosphomolybdic acid absorbance method.
GJB 533.18-1988 Detection methods for 45 components of submarine cabin air Determination of acrolein content Tryptophan absorbance method
GJB 533.19-1988 Methods for detection of 45 components of submarine cabin air. Determination of sodium sarcosinate and dimethylamine content. Copper reagent absorbance method.
GJB 533.10-1988 Detection method for 45 components of submarine cabin air. Determination of ammonia content. Calibration tube method
GJB 533.14-1988 Detection method for 45 components of submarine cabin air. Determination of sulfuric acid mist content. Ring furnace method.

Professional Standard - Agriculture

192药典三部-2010 Appendix VI VIS Determination of Glycine Content in Human Immunoglobulin
NY 146.13-1988 Juice Determination Method Determination of Proline
205药典四部-2020 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin
214药典三部-2015 Content Determination Method 3112 General Principles of Acetyl Tryptophan Determination Method 57
194药典四部-2020 3100 content determination method 3112 acetyl tryptophan determination method
233药典三部-2020 Content Determination Method 3112 Determination of Acetyl Tryptophan
225药典三部-2015 Content Determination Method 3123 General Rules for Determination of Glycine Content in Human Immunoglobulin 62
JAP-031 Azaphenanthridine detection method
206药典四部-2015 3100 content determination method 3112 acetyl tryptophan determination method
NY/T 2794-2015 Determination of amino acids content in peanut-Near-infrared method
SN/T 5084-2018 PCR test of Mycobacterium avium at frontier port
244药典三部-2020 Content Determination Method 3123 Determination of Glycine Content in Human Immunoglobulin
NY/T 2878-2015 Water-soluble fertilizers-Determination of poly-aspartic acid content
NY/T 3039-2016 Water-soluble fertilizers-Determination of poly-glutamic acid content
NY/T 1975-2010 Water-soluble fertilizers. Determination of amino-acids content
217药典四部-2015 3100 Content Determination Method 3123 Determination Method of Glycine Content in Human Immunoglobulin

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 8570.3-2010 Determination of liquefied anhydrous ammonia—Part 3:Residue content—Gravimetric method
GB/T 12492-1990 Determination of cystine content of wool hydrolysates by colorimetry
GB/T 20365-2006 Determination method for chondroitin sulfate and glucosamine hydrochloride—Liquid chromatography method
GB/T 5195.19-2018 Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method
GB 9695.23-1990 Determination of L(-)-Hydroxyproline Content in Meat and Meat Products
GB 8570.2-1988 Liquefied anhydrous ammonia; Estimating of ammonia content
GB/T 6489.3-2001 Phthalate esters for industrial use-Methods of test-Determination of ester content-Titrimetric method after saponification
GB/T 8570.2-1988 Liquefied anhydrous ammonia--Estimating of ammonia content
GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid
GB/T 7043.2-2001 Rubber--Determination of copper content--Zinc diethyldithiocarbamate photometric method
GB/T 12491-1990 Determination of systine acid content of wool hydrolysates by paper electrophoresis and colorimetry
GB/T 11198.5-1989 Sulphuric acid for industrial use--Determination of arsenic content--Silver diethyldithiocarbamate photometric method
GB/T 14965-1994 Method for determination of amino acids in foods
GB/T 12684.7-1990 Boric acid for industrial use--Determination of ammonia content
SN/T 4820-2017 Detection method for bovine citrullinemia by PCP-DHPLC
GB/T 8570.4-2010 Determination of liquefied anhydrous ammonia—Part 4:Residue content—Titrimetric method
GB/T 9695.23-2008 Meat and meat products - Determination of hydroxyproline content
GB/T 21729-2008 Determination of selenium content in tea
GB/T 15399-1994 Determination of sulfur amino acids in feedstuffsIon exchange chromatography
GB 8654.6-1988 Methods for chemical analysis of manganese metal; The diamine hydrochloride-iodo-metric method for the determination of selenium content
GB/T 8570.2-2010 Determination of liquefied anhydrous ammonia—Part 2:Estimating of ammonia content
GB/T 9695.23-1990 Meat and meat products-Method for determination of L (一) -hydroxyprolin content
GB/T 44984-2024 Determination of L-(+)-glutamic acid content in meat and meat products
GB/T 8654.6-1988 Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content
GB/T 16639-2008 Standard method for use of an alanine - EPR dosimetry system
GB 12292-1990 Determination of free amino acid content in fruit and vegetable juice
GB/T 23196-2008 Determination of ferulic acid content in propolis - HPLC-UV method
GB/T 18654.11-2008 Inspection of germplasm for cultured fishes - Part 11: Determination of amino acids content in muscle
GB/T 38265.9-2022 Test methods for soft soldering fluxes―Part 9:Determination of ammonia content
GB/T 40970-2021 Determination of ammonia in cosmetics—Titration method
GB/T 12687.5-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of chrome content-sys--Diphenyl carbazide spectrophotometric method
GB/T 6276.7-2010 Determination of ammonium hydrogen carbonate for industrial use—Part 7:Arsenic content—Silver diethyl dithiocarbamate photometric method
GB/T 32074-2015 Non-destructive testing―Test method for ammonia leak testing
GB/T 505-1965 Determination of mercaptan - sulfur in engine fuels(ammonia - copper sulfate method)
GB/T 42957-2023 Determination of lysine, methionine and threonine in commercial amino acid products and additive premixture feeds
GB/T 23834.5-2009 Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry
GB/T 21728-2008 Determination of fluoride content in brick tea

Professional Standard - Textile

FZ/T 50049-2020 Man-made Fibres—Test method for amino acid content

Professional Standard - Non-ferrous Metal

YS/T 1318.1-2019 Methods for chemical analysis of tetrammine palladium (Ⅱ) sulphate - Part 1: Determination of palladium content - Dimethylglyoxime gravimetry
YS/T 1782.1-2025 Method for chemical analysis of rhodium(Ⅲ) sulfate － Part 1: Determination of rhodium content － Gravimetric method with hexaammine cobalt nitrate
YS/T 1604-2023 Methods for chemical analysis of ammonium molybdate— Determination of molybdenum content— Lead molybdate gravimetry
YS/T 1319.1-2019 Methods for chemical analsis of tetraammineplatinum (Ⅱ) nitrate - Part 1: Determination of platinum content - Hydrazine hydrate reduction method

Zhejiang Provincial Standard of the People's Republic of China

DB33/T 308-2001 Determination method of clenbuterol hydrochloride content in feed

Professional Standard - Light Industry

QB/T 5220-2018 Determination of dipotassium arginine in oral care products high performance 一liquid chromatography
QB/T 2409-1998 Content Determination of Amino Acid in Cosmetics

Professional Standard - Chemical Industry

HG/T 6108-2022 Determination of chlorine ion content in waste sulphuric acid
HG/T 2409-2023 Determination of isocyanate group content in polyurethane prepolymer
HG/T 5937-2021 Rapid determination of humic acid and fulvic acid content
HG/T 2409-1992 Determination of Isocyanate Group Content in Polyurethane Performed Polymer

Professional Standard - Commodity Inspection

SN/T 0285-2012 Determination of ethyl carbamate residues in alcohol for export. GC-MS
SN 0285-1993 Method for the determination of ethyl carbamate residues in wines for export
SN/T 0464-2003 Quantitative analysis of polyurethane fiber of textile
SN/T 2007-2007 Determination of lactic|| ciric|| and fumaric acid in fruit juice for import and export. HPLC
SN/T 0930-2000 Method for the determination of total amino acid in pollen for import and export - Amino acid automatic analyzer method
SN 0139-1992 Method for determination of dithiocarbamate residues in grain for export
SN/T 1541-2005 Inspection of the total residues of dithiocarbamate pesticides in tea for export
SN 0157-1992 Method for determination of dithiocarbamate residue in fruit for export
SN/T 1548-2005 Inspection of benzoic acid and sorbic acid in preserved beancurd for import and export
SN/T 1511.1-2005 Inspection of lactic acid in fruit juice for import and export

Group Standards of the People's Republic of China

T/JMZJXH 006-2020 Determination of ethyl carbamate content in the coating —Gas chromatography-mass spectrometry
T/CASME 839-2023 Method for determination of dimethyl sulfate in ciprofloxacin hydrochloride
T/AHPCA 050-2023 Cosmetic whitening efficacy testing method (tyrosinase activity test method)
T/CHBAS 14-2021 Determination of amino acids content in milk powder High performance liquid chromatography
T/SHSYCXH 9-2022 Detection method for sarcosine in serum samples - Enzyme coupled colorimetric assay
T/GDNB 217-2024 Determination of alliin in garlic and its products
T/GXAF 0010-2023 Spectrophotometric method for the determination of free amino acid content in water-soluble fertilizers
T/CNTAC 119-2022 Textiles—Determination of hydroxyproline—High performance liquid chromatography method
T/GZTSS 1-2021 Method for determination of theanine,theobromine constituents in tea by Near-infrared diffuse reflectance spectroscopy
T/LNIQA 010-2023 Determination of methylselenocysteine and selenomethionine in selenium-enriched foods
T/GDAQ 00006-2022 Determinnation of sulfur amino acids in foods
T/ZFB 0065-2023 Determination of amino acids in silk by liquid chromatography tandem mass spectrometry

Liaoning Provincial Standard of the People's Republic of China

DB21/T 2598-2016 Detection of alginic acid oligosaccharide content

Guangxi Provincial Standard of the People's Republic of China

DB45/T 1455-2016 Determination of Amino Acid Content in Leech Broadbodied by High Performance Liquid Chromatography

Professional Standard - Petroleum

SY/T 6867-2012 Test Method of Core Carbonate Content
SY 6867-2012 Determination method of rock carbonate content

Professional Standard - Coal

MT/T 1068-2007 Determination method for acid-soluble iron content in activated carbon
MT/T 1068-2008 Activated carbon acid digestion methods for determination of iron content standards
MT/T 1069-2008 Determination for acid soluble content in activated carbon

VN-TCVN

TCVN 5282-1990 Animal feeding stuffs.Method of determination of methionine content
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 5283-2007 Animal feeding stuffs.Determination of tryptophan content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 7872-2008 water.Determination of ammonia content.Ammonia selective electrode method
TCVN 6341-1998 Iodated salt.Method for determination ofiodate content
TCVN 2739-1986 Pesticides.Method for determination of acid and base contents
TCVN 7601-2007 Foodstuffs.Determination of arsenic content by silver diethyldithiocacbamate method
TCVN 2615-2008 Liquefied anhydrous ammonia for industrial use.Determination of ammonia content.Titrimetric method

Gosstandart of Russia

GOST 31747-2012 Food products. Methods for detection and quantity determination of coliformes
GOST R 51198-1998 Meat and meat products. Method for determination of L-(+)-glytamic acid content
GOST R 52347-2005 Mixed fodders, raw mixed fodders. Determination of amino acids (lysine, methionine, threonine, cystine and triptophane) content by method of capillary electrophoresis
GOST 31480-2012 Mixed fodders, raw mixed fodders. Determination of aminoacids (lysine, methionine, threonine, cystine and triptophane) content by method of capillary electrophoresis
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST R 54947-2012 Honey. Method for determination of proline content
GOST 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST 26180-1984 Fodder. Determination of ammonia nitrogen content and actual acidity
GOST 13496.21-2015 Feeds, mixed feeds and raw material. Methods for determination of lisin and tryptophane
GOST 26597-1989 Sunflower. Method for determination of acid number of oil using pH-meter
GOST R 50207-1992 Meat and meat products. Determination of L (-)-hydroxyproline content
GOST 29237-1991 Ammonia solution for industrial use. Determination of ammonia content. Titrimetric method
GOST 31940-2012 Drinking water. Methods for determination of sulfate content
GOST 31940-2013 Drinking water. Methods for determining sulfate content
GOST R 52964-2008 Drinking water. Methods for determination of sulphate content
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST 14839.8-1969 Industrial explosives. Method for determination of calcium nitrate content
GOST 14839.4-1969 Industrial explosives. Method for determination of chlorates content
GOST 30621-1998 Hydrochloric acid for industrial use. Determination of arsenic content by silver diethyldithiocarbamate photometric method
GOST 7619.2-1981 Fluorite. Method for the determination of calcium carbonate content

British Standards Institution (BSI)

BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS 4651-2:1987 Ammonia solution. Method for determination of ammonia content
BS 4401-11:1995 Methods of test for meat and meat products. Determination of hydroxyproline content
BS EN 1141:1995 Method for determination of proline content in fruit and vegetable juices: spectrometric method
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS EN 1141:1995(2000) Method for Determination of proline content of fruit and vegetable juices : Spectrometric method
BS 4401-14:1979 Methods of test for meat and meat products. Determination of L-(+)-glutamic acid content (reference method)
BS ISO 4134:2021 Meat and meat products. Determination of L-(+)-glutamic acid content. Reference method
BS 4401-11:1979 Methods of test for meat and meat products-Determination of L(-)-hydroxyproline content (reference method)
BS EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
BS EN ISO 13904:2016 Animal feeding stuffs. Determination of tryptophan content
20/30401658 DC BS ISO 4134. Meat and meat products. Determination of L-(+)-glutamic acid content. Reference method
BS EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
BS 5711-10:1979 Methods of sampling and test for glycerol - Determination of arsenic content: silver diethyldithiocarbamate method
BS 6981:1988 Method for determination of acid content of wool
BS 4651-5:1988(1999) Ammonia solution — Part 5 : Method for determination of iron content
BS 4651-5:1988 Ammonia solution - Method for determination of iron content
BS EN ISO 14896:2001 Plastics. Polyurethane raw materials. Determination of isocyanate content
BS 6782-7:1995 Binders for paints-Method for determination of free-formaldehyde content of amino resins (sodium sulfite titrimetric method)
BS 5659-4:1979 Methods of test for acid-grade fluorspar-Determination of carbonate content
BS EN 12742:1999 Fruit and vegetable juices - Determination of free amino acids content - Liquid chromatographic method
BS 4651-6:1988(1999) Ammonia solution — Part 6 : Methods for determination of chloride content
BS 5659-8:1989 Methods of test for acid-grade fluorspar-Determination of barium sulphate content
BS 4651-7:1988(1999) Ammonia solution — Part 7 : Method for determination of carbon dioxide content
BS EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
BS 812-118:1988 Testing aggregates. Methods for determination of sulphate content
BS 4651-6:1988 Ammonia solution - Methods for determination of chloride content

CZ-CSN

CSN 46 7092-67-1998 Testing methods for feeding stuffs - Part 67: Determination of lysinhydrochlorid content
CSN 46 7092-86-1998 Testing methods for feeding stuffs - Part 86: Determination of methionine content
CSN 46 7092-25-1998 Testing methods for feeding stuffs - Part 25: Determination of amino acid content
CSN 46 7092-88-1998 Testing methods for feeding stuffs - Part 88: Determination of fortificate content of threonine
CSN 46 7092-61-1998 Testing methods for feeding stuffs - Part 61: Determination of amprolium content
CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 4134:2023 Meat and meat products — Determination of L-(+)-glutamic acid content — Reference method
BH GSO ISO 7108:2024 Ammonia solution for industrial use – Determination of ammonia content – Titrimetric method
BH GSO ISO 14896:2016 Plastics -- Polyurethane raw materials -- Determination of isocyanate content
BH GSO ISO 9455-9:2016 Soft soldering fluxes -- Test methods -- Part 9: Determination of ammonia content

NL-NEN

NEN-ISO 4134:1992 Meat and meat products. Determination of L-(+)-glutamic acid content (referece method)
NEN 6398-1992 Fruit lemonades - Determination of proline content - Spectrometric method
NEN 2850-1984 Fruit juices - Determination of free amino acids content - Column chromatographic method
NEN 3796-1993 Quarg (fresh cheese). Determination of hydroxyprolin content and calculation of gelatin content

GCC Standardization Organization

GSO ISO 4134:2023 Meat and meat products — Determination of L-(+)-glutamic acid content — Reference method
BH GSO ISO 13903:2024 Animal feeding stuffs — Determination of amino acids content
GSO ISO 13904:2008 Animal feeding stuffs- Determination of tryptophan content
GSO ISO 13903:2008 Animal feeding stuffs — Determination of amino acids content
GSO 793:1997 METHODS OF TEST FOR IN FONT FORMULA BASED ON MILK - DETERMINATION OF PANTTHENIC
GSO ISO 3496:2007 Meat and meat products –Determination of hydroxyproline content
BH GSO ISO 3332:2024 Ammonium sulphate for industrial use – Determination of ammoniacal nitrogen content – Titrimetric method after distillation
GSO ISO 14896:2015 Plastics -- Polyurethane raw materials -- Determination of isocyanate content
GSO ISO 7108:2007 Ammonia solution for industrial use – Determination of ammonia content – Titrimetric method

American Society for Testing and Materials (ASTM)

ASTM D5564-95(2006) Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D5564-95(2001) Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D5564-95 Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D4665-87 Polyurethane raw material determination: isocyanate content determination method
ASTM D5564-95(2011) Standard Test Method for Determination of the Total Ammonia Contained in Sulfonated or Sulfated Oils
ASTM D5155-19 Standard Test Methods for Polyurethane Raw Materials: Determination of the Isocyanate Content of Aromatic Isocyanates
ASTM D5155-96 Standard Test Methods for Polyurethane Raw Materials Determination of the Isocyanate Content of Aromatic Isocyanates
ASTM D5155-07 Standard Test Methods for Polyurethane Raw Materials Determination of the Isocyanate Content of Aromatic Isocyanates
ASTM D4661-03 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates
ASTM D5155-14e1 Standard Test Methods for Polyurethane Raw Materials: Determination of the Isocyanate Content of Aromatic Isocyanates
ASTM D5155-01 Standard Test Methods for Polyurethane Raw Materials Determination of the Isocyanate Content of Aromatic Isocyanates
ASTM RR-D01-1068 1991 D1979-Test Method for Free Formaldehyde Content of Amino Resins
ASTM D4660-23 Standard Test Methods for Polyurethane Raw Materials: Determination of the Isomer Content of Toluenediisocyanate
ASTM D4660-18 Standard Test Methods for Polyurethane Raw Materials: Determination of the Isomer Content of Toluenediisocyanate
ASTM D1979-97 Standard Test Method for Free Formaldehyde Content of Amino Resins
ASTM RR-D20-1216 2001 Standard Test Method for Determination of Acid Content
ASTM D7252-06 Standard Test Method for Polyurethane Raw Materials: Determination of Monomer and Isomers in Isocyanates
ASTM E1584-23 Standard Test Method for Assay of Nitric Acid
ASTM D4273-05 Standard Test Methods for Polyurethane Raw Materials Determination of Primary Hydroxyl Content of Polyether Polyols
ASTM D4273-99 Standard Test Methods for Polyurethane Raw Materials Determination of Primary Hydroxyl Content of Polyether Polyols
ASTM D4660-06 Standard Test Methods for Polyurethane Raw Materials: Determination of the Isomer Content of Toluenediisocyanate
ASTM D4660-00 Standard Test Methods for Polyurethane Raw Materials: Determination of the Isomer Content of Toluenediisocyanate

YU-JUS

JUS H.P8.064-1988 Testing ofpesticides. Ziram, technical. Determination of zine content
JUS H.G8.126-1984 Reagents. Ammonia solution. Determination of sulphate content. Turbidimetric method
JUS H.P8.062-1987 Testing of pesticides. Dithiocarbamates. Determination ofactive ingradient content
JUS H.Z1.144-1984 Testing of industrial vvaters. Determination of phenol content. Spectrophotometric method with 4-ami- noantipyrine
JUS H.P8.063-1988 Testing of pesticides. Ziram technical. Determination of active ingradient content
JUS H.B8.850-1991 General method for the determination of arsenic. Silver diethyldithiocarbamate photometric method
JUS E.Z8.018-1994 Soups,broaths,sauces and seasonigs - Determination of the sodium glutaminic content - Iodometric method
JUS H.Z1.175-1985 Testing of industrial waters. Determination of total arsenic. Spectrophotometric method with silver die- thyldithiocarbamate
JUS H.Z1.101-1983 Testing of industrial vvaters. Determination of copper content. Spectrophotometricmethod with sodium- -diethyldithiocarbamate
JUS H.G8.128-1984 Reagents. Ammonia solution. Determination of phosphate content. Spectrophotometric method
JUS H.B8.637-1981 Sulphuric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method
JUS H.G8.129-1984 Reagents. Ammonia solution. Determination of carbonate content (as C02)- Turbidimetric method
JUS H.G8.124-1984 Reagents. Ammonia solution. Determination af ammonia content. Volumetric method
JUS H.G8.136-1984 Reagents. Ammonia solution. Determination of permanganate reducing substances content. Volumetric ethod
JUS H.Z1.163-1984 Testing of industrial vvaters. Determination od sulphate content. Gravimetric method with barium chlo- ride
JUS H.G8.073-1983 Reagents. Borje acid. Determination of arsenic content. Silver diethyldithiocarbamate photometric method
JUS H.G8.018-1980 Reagents. Hydrochloric acid. Determination of arsenic content. Silver diethyldithiocarbonate photome- tric method
JUS H.B8.219-1984 Acetic acid for industrial use. Determination of arsenic content. Silver diethyldithiocarbamate photo- metric method
JUS H.G8.033-1981 Reagents. Sulphuric acid. Determination of arsenic content Silver diethyldithiocarbamate photometric method
JUS H.G8.148-1985 Reagents.Ammonium sulphate. Determination of arsenic content Silver diethyldlthiocarbamate photo- metric method
JUS H.G8.401-1989 Reagents. Calcium nitrate tetrahvdrate. Detemination of substances not precipitated by aiumonium oxalate (as sulphate) . Gravimetric nethod
JUS H.G8.359-1988 Pure chemicals (+)-tartaric acid DETERMINATION OF ARSENIC CONTENT Spectrophotometric method
JUS H.B8.356-1982 Boric acid for industrial use. Detenmination of arsenic content Silver diethyldithiocartwnate photometric method
JUS E.Z8.014-1993 Soups,broaths,sauces and seasonings - Spectrophotometric determination of total creatinine content
JUS H.G8.477-1991 Pure chemicals Orthophosphoric acid DETERMINATION OF ARSENIC CONTENT Spectrophotometric method
JUS H.G8.497-1991 Reagents. Ammonium iron (III) sulphate dodecahydrate. Determination of substances not precipitated by ammonia (as sulphates). Gravimetric method
JUS H.G8.491-1991 Reagents. Potassium permanganate. Determination of arsenic content. Silver diethyldithiocarbamate spectrophotometric method

Ente Nazionale Italiano di Unificazione

UNI/TS 11237:2007 Regenerated of leather fibers - Test method for the determination of hydroxiproline content
UNI 11237:2024 Regenerated of leather fibers - Test method for the determination of hydroxiproline content
UNI EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
UNI EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
UNI EN ISO 9455-9:1997 Soft soldering fluxes. Test methods. Determination of ammonia content.
UNI EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
UNI EN ISO 14896:2009 Plastics - Polyurethane raw materials - Determination of isocyanate content
UNI EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
UNI EN 12742:2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Japanese Industrial Standards Committee (JISC)

JIS K 0099:1983 Methods for determination of ammonia in exhaust gas
JIS K 0099:1998 Methods for determination of ammonia in flue gas
JIS K 0099:2004 Methods for determination of ammonia in flue gas

TR-TSE

TS 3244-1978 WOOL - COLORIMETRIC DETERMINATION OP CYSTINE PLUS CYTEINE IN HYDROLYSATES
TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method
TS 3581-1981 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF THE ARSENIC CONTENT SILVER DIETHYLDITHIOCARBAMATE SPECTROPHOTOMETRY METHOD

Association Francaise de Normalisation

NF EN ISO 17180:2013 Animal feed - Determination of lysine, methionine and threonine content in commercial amino acids and premixes
NF EN ISO 13903:2005 Animal feed - Determination of amino acid content
NF V18-114*NF EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
NF V18-114:2005 Animal feeding stuffs - Determination of tryptophan content.
NF EN ISO 13904:2016 Animal feed - Determination of tryptophan content
NF V18-113*NF EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content.
NF V04-412:2000 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method.
NF V04-412:1983 MEAT AND MEAT PRODUCTS. DETERMINATION OF L-(+)-GLUTAMIC ACID CONTENT (REFERENCE METHOD).
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
NF V59-201:1988 Collagenes. Determination fo hydroxyproline content.
NF V04-415:1987 Meat and meat products. Determination of L(-) hydroxyproline content (reference method).
NF EN ISO 14896:2009 Plastics - Polyurethane raw materials - Determination of isocyanate content
NF A06-712*NF ISO 5959:1986 Copper and copper alloys. Determination of bismuth content. Diethyldithiocarbamate spectrometric method.
NF EN 12742:1999 Fruit and vegetable juices - Determination of free amino acid contents - Liquid chromatography method
NF T90-026:1993 Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method.
NF T20-479:1973 PHOSPHORIC ACID AND SODIUM PHOSPHATES FOR INDUSTRIAL USE ; DETERMINATION OF FLUORINE CONTENT ; PHOTOMETRIC METHOD.
NF T52-130*NF EN ISO 14896:2009 Plastics - Polyurethane raw materials - Determination of isocyanate content
NF X31-161:1993 SOIL QUALITY. DETERMINATION OF PHOSPHOROUS SOLUBLE IN A 0,1 MOL.L-1 AMMONIUM OXALATE SOLUTION. JORET-HEBERT METHOD.
NF T20-054:1979 Chemical products. General method for the determination of arsenic. Silver diethyldithiocarbamate photometric method.
NF T20-273:1982 Hydrochloric acid for industrial use. Determination of arsenic content. Silver diethyldithiocarbamate photometric method.
NF X31-161:1999 Soil quality - Determination of phosphorus soluble in a 0.1 mol.l -1 ammonium oxalate solution - Joret-Hébert method
NF T20-298:1982 Sulphuric acid for industrial use. Determination of arsenic content. Silver diethyldithiocarbamate photometric method.
NF G06-030*NF ISO 2915:2017 Wool - Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry

International Organization for Standardization (ISO)

ISO 2913:1975 Wool; Colorimetric determination of cystine plus cysteine in hydrolysates
ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content
ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
ISO 4134:2021 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method
ISO 4134:1978 Meat and meat products; Determination of L-(+)- glutamic acid content; Reference method
ISO 4134:1999 Meat and meat products - Determination of L-(+)-glutamic acid content - Reference method
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 3496:1978 Meat and meat products; Determination of L(-)- hydroxyproline content (Reference method)
ISO 2899:1974 Sulphuric acid and oleums for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 7108:1985 Ammonia solution for industrial use; Determination of ammonia content; Titrimetric method
ISO 3496:1994 Meat and meat products - Determination of hydroxyproline content
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 3332:1975 Ammonium sulphate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 5792:1978 Sulphuric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 5785:1978 Hydrochloric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 3359:1975 Phosphoric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 9455-9:2020 Soft soldering fluxes — Test methods — Part 9: Determination of ammonia content
ISO 5786:1978 Ammonium sulphate for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
ISO 3333:1975 Ammonium sulphate for industrial use; Determination of copper content; Zinc dibenzyldithiocarbamate photometric method
ISO 2515:1973 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of ammoniacal nitrogen content; Volumetric method after distillation

German Institute for Standardization

DIN 10754 E:2022-11 Analysis of honey - Determination of proline content
DIN 10754:2023-04 Analysis of honey - Determination of proline content
DIN EN ISO 13904:2016-06 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016); German version EN ISO 13904:2016
DIN EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005); German version EN ISO 13903:2005
DIN 10754:2002 Analysis of honey - Determination of proline content
DIN EN ISO 13903:2005-09 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005); German version EN ISO 13903:2005
DIN 10754:2023 Analysis of honey - Determination of proline content
DIN 10754:2002-08 Analysis of honey - Determination of proline content
DIN EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005); German version EN ISO 13904:2005
DIN 54286:1975 Testing of textiles; determination of the cysteic acid content in wool hydrolysates
DIN 10754 E:2022 Draft Document - Analysis of honey - Determination of proline content
DIN EN ISO 13904 E:2015-01 Determination of tryptophan content in animal feed (draft)
DIN 10754:2022-11 Draft Document - Analysis of honey - Determination of proline content
DIN 54286:1975-10 Testing of textiles; determination of the cysteic acid content in wool hydrolysates
DIN EN ISO 9455-9:2021-02 Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content (ISO 9455-9:2020); German version EN ISO 9455-9:2020
DIN EN ISO 13904:2005-08 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
DIN 58976-1:1982-02 Special laboratory medicine; determination of L-Alanine: 2-oxoglutarate aminotransferase (alanine aminotransferase) in serum or plasma; standard method
DIN EN 1141:1994-12 Fruit and vegetable juices - Spectrometric determination of proline content; German version EN 1141:1994
DIN EN ISO 14896:2009-07 Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2009); German version EN ISO 14896:2009
DIN 10484 E:2012-04 Milk - Determination of urea and ammonia content - Photometric method
DIN 10484:2005-05 Milk - Determination of urea and ammonia content - Photometric method
DIN 10484:2013 Milk - Determination of urea and ammonia content - Photometric method
DIN EN ISO 13904 E:2015 Draft Document - Animal feeding stuffs - Determination of tryptophan content (ISO/DIS 13904:2014); German version prEN ISO 13904:2014

Swedish Institute for Standards

SS-EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
SS-EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005)
SS-EN 1141:1995 Fruit and vegetable juices - Spectrometric determination of prolinecontent
SS-EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Danish Standards Foundation

DANSK DS/EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
DANSK DS/EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
DS/EN ISO 13904:2005 Animal feeding stuffs – Determination of tryptophan content
DS/EN ISO 13903:2005 Animal feeding stuffs – Determination of amino acids content
DANSK DS/ISO 9455-9:2020 Soft soldering fluxes – Test methods – Part 9: Determination of ammonia content
DANSK DS/EN 1141:1994 Fruit and vegetable juices - Spectrometric determination of proline content
DANSK DS/EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
DS/EN 1141:1995 Fruit and vegetable juices - Spectrometric determination of proline content
DANSK DS/EN ISO 14896:2009 Plastics - Polyurethane raw materials - Determination of isocyanate content
DS/EN ISO 14896:2009 Plastics - Polyurethane raw materials - Determination of isocyanate content
DS/EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
DS/EN ISO 9455-9:1996 Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content
DS/ISO 9455-9:2020 Soft soldering fluxes – Test methods – Part 9: Determination of ammonia content

Spanish Association for Standardization (UNE)

UNE-EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016)
UNE-EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
AENOR UNE-EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016)
UNE 40203:1972 METHOD TO DETERMINE THE AMOUNT OF ACID IN WOOL.
UNE-EN ISO 13903:2006 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005)
UNE-EN 12742:2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
UNE-EN ISO 9455-9:2021 Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content (ISO 9455-9:2020)
UNE-EN 1141:1995 FRUIT AND VEGETABLE JUICES. SPECTROMETRIC DETERMINATION OF PROLINE CONTENT.
UNE 33125:1981 TEST METHODS OF VINIC VINEGARS. DETERMINATION OF THE CONTENT IN TARTARIC ACID.
UNE 33104:1974 TEST METHOD OF VINIC VINEGAR. DETERMINATION OF SULPHATE CONTENT.

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 13903:2008 Animal feeding stuffs — Determination of amino acids content
OS GSO ISO 3332:2007 Ammonium sulphate for industrial use – Determination of ammoniacal nitrogen content – Titrimetric method after distillation
OS GSO ISO 3496:2007 Meat and meat products –Determination of hydroxyproline content
OS GSO ISO 7108:2007 Ammonia solution for industrial use – Determination of ammonia content – Titrimetric method
OS GSO ISO 14896:2015 Plastics -- Polyurethane raw materials -- Determination of isocyanate content

Bureau of Indian Standards

IS/ISO 13903-2005 Animal feeding stuffs - Determination of amino acids content
IS 5960-12-2023 Meat and Meat Products-Methods of Test - Part 12 Determination of L-(+)-Glutamic Acid Content-Reference Method
IS/ISO 13904-2016 ANIMAL FEEDING STUFFS DETERMINATION OF TRYPTOPHAN CONTENT
IS 5960-15-2000 Meat and Meat Products - Methods of Test - Part 15 : Determination of L (-) Hydroxyproline Content

American National Standards Institute （ANSI)

ANSI/ASTM D5155:2001 Test Method for Polyurethane Raw Materials: Determination of the Isocyanate Content of Aromatic Isocyanates (08.03)
ANSI/ASTM D4661:1998 Polyurethane-Isocyanate Raw Materials, Determination of Total Chlorine, Method for Testing (08.03)
ANSI/ASTM D4273:1999 Method for Testing Polyurethane Raw Materials: Determination of Primary Hydroxyl Contents of Polyether Polyols (08.02)

Magyar Szabványügyi Testület

MSZ 7553-1961 Checking plastics by measuring the content of free ammonia and amino groups
MNOSZ 700-13.lap-1955 Detection of carbonic acid content in coal testing
MSZ 20500/4-1987 Detection method of dry noodles, egg content detection
MSZ 3227/18-1982 Wool detection method wool content detection
MSZ 21456/6-1977 Ammonia content in the definition of air gas pollutant testing
MSZ 3227/14.lap-1967 Wool quality testing Wool acid content testing
MSZ 9488-1963 Wine testing. Lactic acid content detection
MNOSZ 9472-1952 Wine testing. Titratable acid content detection
MNOSZ 9464-1952 Wine testing. Sulfuric acid content detection
MSZ 6060-4.lap-1957 Industrial and mining air testing. Ammonia content definition
MNOSZ 9465-1952 Wine testing. Sulfuric acid content detection
MSZ 9466-1963 Wine testing. Malic acid content detection
MSZ 9428-1963 Wine testing. Citric acid content detection
MSZ 3620/2-1972 Canned food testing acetic acid content testing
MSZ 3227/6-1982 Wool detection method impurity content detection
MSZ 9489-1963 Wine testing. Tartaric acid content detection
MSZ 21 853/14-1981 Air pollution source detection, pH measurement of ammonia emissions
MSZ 18094/13-1980 Soil corrosion testing. Carbonate content detection
MSZ 3621/1-1972 Canned food testing Sulfuric acid content testing
MSZ 9427-1963 Wine testing. Hederic acid content detection
MNOSZ 9473-1952 Wine testing. Volatile acid content detection
MSZ 3227/7-1982 Wool detection method: detection of fluff and waste wool content
MSZ 3621/2-1970 Detection of formic acid content in canned food
MNOSZ 9496-1953 Wine testing. Formic acid content indicators and detection
MSZ 6905-1981 Nitrate content testing of meat products

RO-ASRO

STAS SR 13385-1997 Leather - Determination of hydroxyproline - Spectrophotometrie analysis

IN-BIS

IS 5960 Pt.15-1989 Meat and meat products—Test methods Part 15 Determination of L(a)-hydroxyproline content

Lithuanian Standards Office

LST ISO 4134:2003 Meat and meat peroducts. Determination of L-(+)-glutamic acid content. Reference method (idt ISO 4134:1999)
LST EN ISO 13904:2005 Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2005)
LST EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005)
LST EN 1141-2000 Fruit and vegetable juices - Spectrometric determination of proline content
LST EN 12742-2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
LST ISO 3496:2001 Meat and meat products. Determination of hydroxyproline content (identical ISO 3496:1994)

Korean Agency for Technology and Standards (KATS)

KS M 5969-2023 Testing method of isocyanate group content in urethane intermediate or prepolymer
KS M 5969-1995 Testing method or isocyanate group content in urethane materials or prepolymer
KS M ISO 3332-2022 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M 5969-2005(2018) Test method for isocyanate group content in urethane intermediate or prepolymer
KS M ISO 7108:2002 Ammonia solution for industrial use－Determination of ammonia content－Titrimetric method
KS M ISO 7108:2017 Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
KS M ISO 3332-2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M ISO 3332-2017(2022) Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M 1944-2002(2007) Acetic acid for industrial use－Method of test－Determination of formic acid content－Iodometric method
KS M ISO 3332:2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M ISO 3332:2012 Ammonium sulphate for industrial use－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 7108-2017(2022) Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
KS M ISO 10084:2006 Solid fertilizers-Determination of mineral-acid-soluble sulfate content-Gravimetric method
KS M ISO 10084:2013 Solid fertilizers-Determination of mineral-acid-soluble sulfate content-Gravimetric method
KS M 1912-2009 Phthalic anhydride for industrial use－Methods of test－Determination of maleic anhydride content－Polarographic method
KS K ISO 2915-2018 Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
KS M 1943-2002(2007) Acetic acid for industrial use－Method of test－Determination of acetic acid content－Titrimetric method
KS K ISO 2915:2018 Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
KS B ISO 9455-9-2022 Soft soldering fluxes — Test methods — Part 9: Determination of ammonia content
KS B ISO 9455-9:2022 Soft soldering fluxes — Test methods — Part 9: Determination of ammonia content
KS M 1943-2009 Acetic acid for industrial use－Method of test－Determination of acetic acid content－Titrimetric method
KS D 2539-2012 Titanium alloys－Method for determination of lanthanum,cerium, praseodymium and neodymium
KS B ISO 9455-9-2002(2017) Soft soldering fluxes－Test methods－Part 9：Determination of ammonia content

CEN - European Committee for Standardization

EN ISO 13904:2005 Animal feeding stuffs Determination of tryptophan content

Malaysia Standards

MS 954 Pt.9-2000 Methods of test for meat and meat products:Part 9:Determination of hydroxyproline content (First revision)(ISO 3496:1994,IDT)

American Wood Protection Association

AWPA A59-17 Standard Method for the Determination of Ammonia in Ammoniacal Preservatives and Fire Retardant Formulations
AWPA A59-11 Standard Method for the Determination of Ammonia in Ammoniacal Preservatives and Fire Retardant Formulations
AWPA A59-23 Standard Method for the Determination of Ammonia in Ammoniacal Preservatives and Fire Retardant Formulations

Indonesia Standards

SNI 03-6823-2002 Test methods for containing portland cement mortar dry shrinkage
SNI 03-4151-1996 Test methods for phosphate content in light sediment by hydrogen chloride using spectrophotometer apparatus in ammonium molybdat manuver
SNI 06-6989.30-2005 Water and wastewater - Part 30: Test methods of ammonia content with spectrophotometers by phenates
SNI 06-3971-1995 Test methods for sulphite content by spectrophotometer apparatus
SNI 06-6876-2002 Test methods of ammonia content in water by ion selective electrode
SNI 06-6989.31-2005 Water and waste water - Part 31: Test methods of phosphate content by spectrophotometers with acid ascorbic

Standards Norway

NS-EN ISO 13904:2016 Animal feeding stuffs — Determination of tryptophan content (ISO 13904:2016)
NS-EN ISO 13904:2005 Animal feeding stuffs — Determination of tryptophan content (ISO 13904:2005)
NS-EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content (ISO 13903:2005)
NS-EN 1141:1994 Fruit and vegetable juices - Spectrometric determination of proline content
NS-EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

PT-IPQ

NP EN 1243-2000 Adhesives Determination of free formaldehyde in amino and amidoformaldehyde condensates
NP 1987-2002 Meat and meat products Determination of hydroxyproline content Reference method

European Committee for Standardization (CEN)

EN ISO 13903:2005 Animal feeding stuffs - Determination of amino acids content
EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
EN ISO 9455-9:2020 Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content (ISO 9455-9:2020)
EN 1141:1994 Fruit and vegetable juices - Spectrometric determination of proline content
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

BE-NBN

NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-096-1988 Ammonia solution for industrial use - Détermination of ammonia content - Titrimetric method
NBN T 03-026-1979 Sulphuric acid for industrial use - Determination of arsenic content -Silver diethyldithiocarbamate photometric method
NBN T 03-008-1979 Hydrochloric acid for industrial use - Determination of arsenic content - Silver diethyldithiorcarbamate photometric method
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-264-1980 Phosphoric acid for industrial use - Determination of arsenic content - Silver diethyldithiqcarbamate photometric method
NBN T 03-070-1979 Ammonium sulphate for industrial use - Determination of copper content - Zinc aibetizyldithiocarbamate photometric method
NBN T 03-072-1979 Ammonium sulphate for industrial use - Determination of arsenic content - Silver diethyldithiocarbamate photometric method
NBN T 03-265-1980 Phosphoric acid and sodium phosphates for industrial use (including food-stuffs) - Determination of fluorine content - Alizarin complexone and lanthanum nitrate photometric method
NBN T 03-347-1981 Boric acid, boric oxide and disodiumtetraboratas for industrial

TH-TISI

TIS 1771-1999 Ammonium sulphate for industrial use.determination of ammoniacal nitrogen content.titrimetric method after distillation

Standard Association of Australia （SAA）

AS 2282.16:1991 Methods for testing flexible cellular polyurethane, Method 16: Determination of ash content
AS 2029:1977 Method for the determination of nitrate and nitrite content in waters

Canadian General Standards Board （CGSB)

CAN/CGSB 4.2 No. 73.5-M91(2013) Determination of lanolinic acid content
CAN/CGSB-4.2 NO.73.5-M91-1991 Textile Test Methods Wool - Determination of Acid Content

South African Bureau of Standard

SANS 5292:1987 Sulphates in solutions, detection
SANS 9455-9:1993 Soft soldering fluxes - Test methods Part 9: Determination of ammonia content

CO-ICONTEC

ICONTEC 75-1992 Alcoholic beverages. Legal method of measurement of total acidity
ICONTEC 50-1991 Alcoholic beverages. General method for measuring sulfate content in wine

AR-IRAM

IRAM 13 309-1962 plastic. Determination method for determining the content of free ammonia and ammonia-containing compounds in phenolic plastic molds

CU-NC

NC 24-69-4-1987 Inonganic Chemical Products Technical Aluminum Sulfate Determination of Arsenic Content. Method of Silver Diethylditiocarbamate
NC 23-05-1968 Technical sulphuric acid. Photometric determinat?on of iron content.

BR-ABNT

ABNT P-MB-166-1964 experiment method. Asphalt content detection

IT-UNI

UNI EN ISO 9455-9:2021 Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content

ET-QSAE

ES 394-2000 Determination of copper content in edible salt (sodium diethyldithiocarbamate) visual colorimetric method

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