Trinitrogen test analysis

Trinitrogen test analysis, Total:318 items.

The international standard classification for "Trinitrogen test analysis" includes: Chemical analysis , Flow in open channels , Boilers and heat exchangers , Metalliferous minerals , Chemical analysis of metals , Bases , Other non-ferrous metals and their alloys , food products in general , Refractories , Aluminium and aluminium alloys , Non-ferrous metals , Cadmium, cobalt and their alloys , Fertilizers , Materials for aluminium production , Soil quality. Pedology , Ferroalloys , Non-ferrous metals in general , Aluminium , Abrasives , Rubber , Aircraft and space vehicles in general , Advanced ceramics .

The Chinese standard classification for "Trinitrogen test analysis" includes: Basic standards and general methods for water treatment agent , Light metals and their alloys analysis method , Boiler and its auxiliary equipment , Heavy metal ore , Heavy metals and their alloys analysis method , Food sanitation , Fireproof material in general , Siliceous refractory , Heavy metals and their alloys , Non-ferrous metals and their alloys products in general , Rare metals and their alloys analysis method , Basic standards and general methods on chemical fertilizers , Soil and fertilizer in general , Steel and iron alloy analysis method , Special refractory , Carbon material , Metal physical property test method , Grinding material and apparatus , Rubber products in general , Industrial gas and chemical gas , Chemical Measurement , Basic standards and general methods , Special ceramics .

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

GB/T 16555.5-1996 Chemical analysis for silicon carbide refractories--Determination of ferric oxide--o-Phenanthroline photometric method
GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method
GB/T 22660.7-2008 Chemical analysis methods of lithium fluoride - Part 7: Determination of iron content - Orthophenantholine photometric method
GB/T 6610.4-2003 Chemical analysis methods of aluminium hydroxide Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
GB/T 13747.23-1992 and zirconium alloys - Determination of nitrogen content - Distillation-Nessler reagent spectrophotometric method
GB 6900.3-1986 Clay, high alumina refractories chemical analysis method o-phenanthrene spectrophotometric determination of ferric oxide content
GB/T 5009.179-2003 Determination of trimethylamine nitrogen in ham
GB/T 14422-1993 Analysis of water used in boiler and cooling system－Determination of benzotriazole－Ultraviolet spectrophotometry
GB/T 4324.26-1984 Methods for chemical analysis of tungsten - The Nessler reagent photometric method for the determination of nitrogen content
GB 10267.5-1988 Analytical method for calcium metal Distillation-Nessler reagent photometric determination of nitrogen
GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 21994.7-2008 Chemical analysis of magnesium fluoride - Part 7: Determination of iron content - Orthophenantholine photometric method
GB/T 6987.24-2001 Aluminium and aluminium alloys. Determination of copper content. Tribromoarsenazo spectrophotometric method
GB/T 10267.5-1988 Method for analysis of calcium metal-The determination of nitrogen by distillation-Nessler reagent photometric method
GB/T 4325.26-1984 Methods for chemical analysis of molybdenum;The nessler reagent photometric method for the determination of nitrogen content
GB/T 6901.4-1986 Silica refractories--Determination of iron oxide content-0-phenanthroline photometric method
GB/T 12689.11-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of lanthanum and cerium contents—The tri-bromide arsenazo spectrophotometric method
GB/T 6900.3-1986 Fireclay and high-alumina refractories; Determination of iron oxide content; 0-phenanthroline photometric method
GB/T 14422-2008 Analysis of water used in boiler and cooling system - Determination of benzotriazole
GB/T 3885.6-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The O-phenanthroline photometric method for the determination of ferric oxide content
GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of iron content - Orthophenanthroline spectrophotometric method
GB/T 6609.4-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 3254.1-1998 Antimony trioxide―Determination of antimony trioxide content
GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 42487-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination using automated method with segmented flow analysis
GB/T 5687.4-1985 Methods for chemical analysis of ferro-chromium; The neutralization titration method for the determination of nitrogen content
GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method
GB/T 4325.6-1984 Methods for chemical analysis of molybdenum;The ortho-phenanthroline photometric method for the determination of iron content

Professional Standard - Aviation

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB 5219.19-1998 Methods for Chemical Analysis of Magnesium Alloy - Determination of Cerium Content with Tribromo Arsenazo Spectrophotometric Method
HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method

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

GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 507-1988 Boron nitride chemical analysis method

Professional Standard - Railway

TB/T 2059.5-1989 Analytical method for cooling water additives of railway diesel locomotive Determination of benzotriazole
TB/T 2059.4-2006 Methods for analysis of diesel locomotive coolants Part 4: Determination of benzotriazole
TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

Professional Standard - Ferrous Metallurgy

YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of silicon nitride content. High pressure dissolve specimen method
YB/T 4013-1991 Method for chemical analysis of high-quality magnesia
YB/T 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product. Determination of iron oxide content. o-Phenanthroline photometric method

冶金工业部

YB 4013-1991 Chemical analysis method of high-quality magnesia, determination of iron oxide content by photometric method of phenanthroline

Professional Standard - Non-ferrous Metal

YS/T 581.7-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 7: Determination of iron content by orthophenantholine photometric method
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide - Part 6: Determination of iron content - Neighbouring phenanthroline spectrophotometric method
YS/T 575.5-2006 Methods for chemical analysis of bauxite -- Determination of iron oxide content -- Orthophenanthroline photometric method
YS/T 509.6-2006 Methods for chemical analysis of sqodumenite and lepidolite concentrates The o-phenanthroline photometric method for the determination of ferric oxide content
YS/T 534.4-2007 Chemical analysis methods of aluminium hydroxide Part 4: Determination of iron oxide content Orthophenanthroline photometric method
YS/T 534.4-2006 Chemical analysis methods of aluminium hydroxide. Determination of ferric oxide content. Orthophenanthroline photometric method
YS/T 536.2-2006 Bismuth Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 575.14-2007 Methods for chemical analysis of bauxite Part 14:Determination the total content of rare earth oxide Tribromo-arsenazo photometric method
YS/T 1179.3-2023 Chemical analysis methods of aluminium slags and ash – Part 3: Determination of carbon and nitrogen contents
YS/T 575.5-2007 Methods for chemical analysis of bauxite Part 5:Determination of iron oxide content-Orthophenanthroline photometric method
YS/T 273.7-2006 Chemical analysis methods and physical properties of cryolite -- Part 7: Determination of iron content by orthophenantholine photometric method
YS/T 575.14-2006 Methods for chemical analysis of bauxite -- Determination the total content of rare earth oxide -- Tribromo-arsenazo photometric method

Group Standards of the People's Republic of China

T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/HNNMIA 63-2023 Chemical analysis methods of amidoxime resins-Determination of nitrogen content-Elemental analysis
T/NAIA 0248-2023 Determination of nitrite nitrogen in water quality by continuous flow analysis method
T/NAIA 0247-2023 Determination of water quality nitrate nitrogen by continuous flow analysis method

Professional Standard - Agriculture

15兽药典一部-2015 Text Varieties Part 1 Sanhua Triazamidine for Injection
14兽药典一部-2015 The first part of the text variety

Taiwan Provincial Standard of the People's Republic of China

CNS 188-1971 Method of Analysis for Calcium Cyanamide
CNS 10509-1983 Methods of Chemical Analysis for Nitrogen in Ferrochromium
CNS 7721-1981 Triphenyltetrazolium Chloride
CNS 2029-1979 Triphenyltetrazolium Chloride (Red Tetrazolium)
CNS 3572-1973 Chemical Analysis of Natural Rubber (Nitrogen)
CNS 12786-1990 Method of Chemical Analysis for Silicon Nitride Powders

Jilin Provincial Standard of the People's Republic of China

DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34176-2017 Chemical analysis methods for determination of Fe2+ and Fe3+ in refractoryproducts by the spectral photometric method with 1, 10-phenanthroline

未注明发布机构

ASTM RR-E37-1032 2003 E2092-Test Method for Distortion Temperature in Three-Point Bending by Thermomechanical Analysis
ASTM RR-E37-1025 2000 E2092-Standard Test Method for Distortion Temperature in Three-Point Bending by Thermomechanical Analysis
ASTM RR-D05-1048 2016 D5373-Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM RR-D05-1046 2013 D5373-Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke

Hunan Provincial Standard of the People's Republic of China

DB43/T 2139-2021 Determination of Nitrogen and Phosphorus in Plants by Continuous Flow Analysis

Professional Standard - Commodity Inspection

SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export - Determination of nitrogen content by auto analyzer
SN/T 3097-2012 Determination of total nitrogen in fertilizers-Combustion

Xinjiang Provincial Standard of the People's Republic of China

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil
DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil

Professional Standard - Geology

DZ/T 0064.57-2021 Methods for analysis of groundwater quality- Part 57: Determination of ammonia nitrogen- Nessler's reagent spectrophotometry

Hebei Provincial Standard of the People's Republic of China

DB13/T 2645-2018 General technical requirements for nitrogen trifluoride detector

工业和信息化部

YS/T 1467.10-2021 Hafnium Chemical Analysis Methods Part 10: Determination of Oxygen and Nitrogen Amounts
YS/T 1179.3-2017 Chemical analysis methods of aluminum slag-Part 3:Determination of carbon，nitrogen-Element analysis method

Professional Standard - Machinery

JB/T 7994-1999 Chemical analysis methods of cubic boron nitride
JB/T 11938-2014 Ammonia-Nitrogen Automatic Analyzers for Laboratory-Nessler's Reagent Spectrophotometry

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 37186-2018 Gas analysis--Determination of sulfur dioxide and nitrogen oxides--Ultraviolet differential optical absorption spectroscopy
GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content

国家质量监督检验检疫总局

SN/T 4764-2017 Determination of total carbon,hydrogen,nitrogen and sulfur content in coal—Elemental analyzer method

National Metrological Verification Regulations of the People's Republic of China

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen
JJG 801-2004 Verification Regulation of Chemiluminescent NO/NOx Analyzers

Professional Standard - Aerospace

QJ 3140.6-2001 1 2 4-Butanetriol Analysis Method - Part 6: Determination of Ash in 1 2 4-Butanetriol
QJ 3140.4-2001 1 2 4-Butanetriol Analysis Method - Part 4: Determination of the Saponification Value of 1 2 4-Butanetriol
QJ 3140.8-2001 1 2 4-Butanetriol Analysis Method - Part 8: Determination of the Density of 1 2 4-Butanetriol
QJ 3140.10-2001 1 2 4-Butanetriol Analysis Method - Part 10: Determination of the Water Content in 1 2 4-Butanetriol
QJ 3140.9-2001 1 2 4-Butanetriol Analysis Method - Part 9: Determination of the Colority of 1 2 4-Butanetriol

Professional Standard - Nuclear Industry

EJ/T 20167-2018 Determination of nitrogen content in reprocessed uranium trioxide powder by distillation-Nessler reagent spectrophotometry

Professional Standard - Building Materials

JC/T 2342-2015 Method for the quantitative phase analysis of silicon nitride

Professional Standard - Chemical Industry

HG/T 3519-2012 Industrial Circulating Cooling Water - Determination of Benzotriazole
HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water

AT-ON

ONORM M 6296-1993 Analysis of sewage Sludge - Determination of nitrogen components
OENORM EN ISO 4120:2021 Sensory analysis - Methodology - Triangle test (ISO 4120:2021)
ONORM L 1082-1999 Chemical analyses of soils - Determination of nitrogen according to Kjeldahl
ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method
ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

SCC

NS 4746:1975 Water analysis - Determination of ammonia-nitrogen
UNE 87006:1992 SENSORY ANALYSIS. METHODOLOGY. TRIANGULAR TEST.
DANSK DS/ISO 4120:2021 Sensory analysis – Methodology – Triangle test
AS 1038.6.2:1986 Coal and coke - Analysis and testing, Part 6.2: Ultimate analysis of higher rank coal - Determination of nitrogen
AS 1038.6.2:1997 Coal and coke - Analysis and testing, Part 6.2: Higher rank coal and coke - Ultimate analysis - Nitrogen
NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
DANSK DS/EN ISO 4120:2021 Sensory analysis – Methodology – Triangle test (ISO 4120:2021)
NS-EN ISO 4120:2021 Sensory analysis — Methodology — Triangle test (ISO 4120:2021)
NS-EN ISO 4120:2007 Sensory analysis — Methodology — Triangle test (ISO 4120:2004)
DANSK DS/EN ISO 10399:2018 Sensory analysis – Methodology – Duo-trio test (ISO 10399:2017)
BS ISO 10399:2004 Sensory analysis. Methodology. Duo-trio test
DIN ISO 10399 E:2007 Draft Document - Sensory analysis - Methodology - Duo-trio-test (ISO 10399:2004)
BS 5551-4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen.-Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
BS 1121-39:1959 Methods for the analysis of iron and steel. Nitrogen in iron and steel
BS 5929-3:1984 Methods for sensory analysis of food-Triangular test
AWWA WQTC58855 Dissolved Organic Nitrogen Analysis in Drinking Water
MIL MIL-A-51312-1969 ANTIMONY TRIOXIDE, ANALTZED REAGENT ( NO S/S DOCUMENT)
AWWA ACE58255 Analytical Methods for Organic-N in Water Sources
BS 1428-B1:1953 Microchemical analysis. Apparatus for the determination of elements by other than combustion methods. Specification for nitrogen determination apparatus (micro-Kjeldahl)
BS 1428-B1:1964 Microchemical analysis. Apparatus for the determination of elements by other than combustion methods-Specification for nitrogen determination apparatus (micro-Kjeldahl)
AS K1.12:1959 Methods for the analysis of iron and steel, Part 12: Method for the determination of nitrogen in steel
DANSK DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN ISO 11732:1997 Water quality. Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection

Danish Standards Foundation

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN ISO 4120:2007 Sensory analysis - Methodology - Triangle test
DS/EN ISO 4120:2021 Sensory analysis – Methodology – Triangle test (ISO 4120:2021)

BE-NBN

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method

ES-UNE

UNE-EN ISO 4120:2022 Sensory analysis - Methodology - Triangle test (ISO 4120:2021)
UNE-EN ISO 10399:2018 Sensory analysis - Methodology - Duo-trio test (ISO 10399:2017) (Endorsed by Asociación Española de Normalización in March of 2018.)

German Institute for Standardization

DIN EN ISO 4120:2021-06 Sensory analysis - Methodology - Triangle test (ISO 4120:2021); German version EN ISO 4120:2021
DIN EN ISO 10399:2018-04 Sensory analysis - Methodology - Duo-trio test (ISO 10399:2017); German version EN ISO 10399:2018
DIN EN ISO 4120:2020 Sensory analysis - Methodology - Triangle test sensory (ISO/DIS 4120:2020); German and English version prEN ISO 4120:2020
DIN EN ISO 4120:2007 Sensory analysis - Methodology - Triangle test (ISO 4120:2004) English version of DIN EN ISO 4120:2007-10
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005

IT-UNI

UNI EN ISO 4120:2021 Sensory analysis - Methodology - Triangle test
UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.

GSO

BH GSO ISO 4120:2023 Sensory analysis — Methodology — Triangle test
GSO ISO 4120:2023 Sensory analysis — Methodology — Triangle test
GSO 198:1994 CHEMICAL ANALYSIS OF CARBON STEEL – DETERMINATION OF NITROGEN
OS GSO 198:1994 CHEMICAL ANALYSIS OF CARBON STEEL – DETERMINATION OF NITROGEN
GSO ISO 10399:2015 Sensory analysis -- Methodology -- Duo-trio test
GSO ISO 13878:2014 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")
GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
GSO ASTM E2036:2021 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)
BH GSO ASTM E2036:2022 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)
BH GSO ISO 13878:2016 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")
OS GSO ISO 11732:2015 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 11732:2015 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection
BH GSO ISO 11732:2016 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Association Francaise de Normalisation

NF EN ISO 4120:2021 Analyse sensorielle - Méthodologie - Essai triangulaire
NF V09-013*NF EN ISO 4120:2021 Sensory analysis - Methodology - Triangle test
NF V09-013:2007 Sensory analysis - Methodology - Triangle test.
NF A06-654:1993 Chemical analysis of titanium alloys. Determination of nitrogen content. Titrimetric method.
NF V09-013:1983 Sensory analysis. Methodologie. Triangle test.
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF EN ISO 13395:1996 Water quality - Determination of nitrous nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF A06-654:2020 Chemical analysis of titnium and titanium alloys - Determination of nitrogen content - Titrimetric method
NF EN ISO 11732:2005 Water quality - Determination of ammoniacal nitrogen - Flow analysis method (CFA and FIA) and spectrometric detection
NF T20-296:1970 Chemical analysis of sulphuric acid and oleums. Determination of nitrous nitrogen and nitric nitrogen.
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.

CZ-CSN

CSN 42 0550 Cast.9-1984 Chemical analysis of ferroalloys. Analysis of ferrochromium. Determination of nitrogen
CSN ON 65 4510-1962 Analysis of industrial degassing. Nitrogen determination
CSN 70 0626 Cast.2-1976 Glass testing. Chemical analysis of glass. Determination of iron(III)-oxide. Photometric method with the use of 1,10-phenanthroline
CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content
CSN 42 0525-1980 Chemical analysis of technical iron. Determination of the nitrogen content
CSN 42 0648 Cast.5-1986 Chemical analysis of metallic chromium. Determination of nitrogen by the titration and by the method with automatic analyzers
CSN 72 2030 Cast.4-1992 Chemical analysis of blast furnace slag. Determination of barium oxide content
CSN 70 0648 Cast.1-1976 Chemical analysis of glass. Determinat- ion of sulphur trioxide. Gravimetric method

British Standards Institution (BSI)

BS EN ISO 10399:2018 Sensory analysis. Methodology. Duo-trio test
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
20/30382879 DC BS EN ISO 4120. Sensory analysis. Methodology. Triangle test sensory
BS 5551 SubSec.4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS EN ISO 4120:2007 Sensory analysis - Methodology - Triangle test
BS EN ISO 4120:2021 Sensory analysis. Methodology. Triangle test
BS ISO 4120:2004 Sensory analysis - Methodology - Triangle test
BS EN ISO 4120:2004 Sensory analysis. Methodology. Triangle test
BS 1016-106.2:1997 Methods for analysis and testing of coal and coke - Ultimate analysis of coal and coke - Determination of nitrogen content
BS ISO 11722:2013 Solid mineral fuels. Hard coal. Determination of moisture in the general analysis test sample by drying in nitrogen
BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation

American Society for Testing and Materials (ASTM)

ASTM D3179-89(1997)e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(2002) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM E1885-18 Standard Test Method for Sensory Analysis—Triangle Test
ASTM E778-87(1996) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-87(2004) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-15(2021) Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM D4954-89(2003) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM D5373-21 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-14 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-13 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-14e1 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D4954-89(2009) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM E778-15 Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM E1885-04 Standard Test Method for Sensory Analysis8212;Triangle Test
ASTM E1885-97(2003) Standard Test Method for Sensory Analysis8212;Triangle Test
ASTM E1885-97 Standard Test Method for Sensory Analysis-Triangle Test
ASTM E1140-95(2000) Standard Practice for Testing Nitrogen/Phosphorus Thermionic Ionization Detectors for Use In Gas Chromatography
ASTM E2610-18 Standard Test Method for Sensory Analysis—Duo-Trio Test
ASTM E2036-24 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)
ASTM E778-08 Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel

ES-AENOR

UNE 30 091 Analytical reagents. Arsenite nitrogen oxide As203M 197,82
UNE 30 146 Analytical reagents. Molybdenum trioxide M0O3M 143,95
UNE 87-006-1992 Sensory analysis. Methodology. Triangular test
UNE 30 120 Analytical reagents. Iron trichloride CI3Fe. 6H2OM 270,32

AENOR

UNE 30146:1961 ANALYSIS REAGENTS. MOLYBDENE TRIOXIDE.
UNE-EN ISO 4120:2008 Sensory analysis - Methodology - Triangle test (ISO 4120:2004)
UNE 30091:1959 ANALYSIS REAGENTS. ARSENIOUS OXIDE.
UNE 30107:1960 ANALYSIS REAGENTS. CHROMIUM TRIOXIDE. (CHROMIUM ANHYDROUS)
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).

Standard Association of Australia （SAA）

AS 2542.2.2:2014 Sensory analysis, Part 2.2: Methodology — Triangle test
AS 2542.2.4:2014 Sensory analysis, Part 2.4: Methodology — Duo-trio test
AS 1038.6.4:2005 Coal and coke - Analysis and testing - Higher rank coal and coke - Ultimate analysis - Carbon, hydrogen and nitrogen - Instrumental method
AS 1038.6.2:2007 Coal and coke - Analysis and testing - Higher rank coal and coke - Ultimate analysis - Nitrogen
AS 2542.2.2:2005 Sensory analysis - Specific methods - Triangle test
AS 1050.12:1983/Amdt 1:1984 Steel analysis methods Determination of nitrogen in steel (steam distillation titration method)

NO-SN

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

Lithuanian Standards Office

LST EN ISO 4120:2021 Sensory analysis - Methodology - Triangle test (ISO 4120:2021)
LST EN ISO 4120:2007 Sensory analysis - Methodology - Triangle test (ISO 4120:2004)

CH-SNV

SN EN ISO 4120:2021 Sensory analysis - Methodology - Triangle test (ISO 4120:2021)

Japanese Industrial Standards Committee (JISC)

JIS K 0808:2008 Automatic total nitrogen analyzer
JIS G 1311-7:2012 Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
JIS G 1313-6:2012 Method for chemical analysis of ferrochromium .Part 6: Determination of nitrogen content
JIS K 8826:2004 Sodium hydroxide for nitrogen compounds analysis
JIS K 8826:1998 Sodium hydroxide for nitrogen compounds analysis
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS R 1640:2002 Methods for the quantitative phase analysis of silicon nitride
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen

VN-TCVN

TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

TR-TSE

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

PL-PKN

PN G04561-1992 Solid fuels. Determination of nitrogen with the use of the Perkin-Elmer analyser
PN C04576 ArkusZ11-1973 Water and waste water Tests for nitrogen Determination of organie nitrogen
PN H04206-06-1986 Chemical analysis of ferro-alloys Ferroehrom Determination of nitrogen content
PN H04221-1968 Chemical analysis of ?erro-alloys Ferro-manganese nitriding
PN H04232-08-1986 Chemical analysis of alloy components Chromium metallic Determination of nitrogen
PN C04576 ArkusZ13-1973 Water and waste water Tests for nilrogen Determination of albuminous nitrogen
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
PN Z04092-08-1989 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen dioxide in ambient air (imision) by spectrophotometric method with passive sampling
PN H04222-1974 Chemical analysis of ferroalloys Ferrochromium nitriding
PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN C04576 ArkusZ05-1973 Water and waste water Tests for nitrogen Determination of nitrogen in form of aramonia and ?n form of ammonium ions

NL-NEN

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

International Organization for Standardization (ISO)

ISO 4120:2021 Sensory analysis - Methodology - Triangle test
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 11722:1999 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 4120:2004 Sensory analysis - Methodology - Triangle test
ISO 4120:1983 Sensory analysis; Methodology; Triangular test
ISO 11732:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

CU-NC

NC 23-38-1988 Control Methods. Drinks and Foodstuffs. Sensorial Analysis. Triangular Test

Korean Agency for Technology and Standards (KATS)

KS Q ISO 4120-2009(2019) Sensory analysis－Methodology－Triangle test
KS Q ISO 4120-2019 Sensory analysis－Methodology－Triangle test
KS D 2573-2005 Methods for determination of nitrogen in zirconium and zirconium alloys
KS Q ISO 4120:2009 Sensory analysis－Methodology－Triangle test
KS E ISO 11722:2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS E ISO 11722:2007 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS Q ISO 10399-2009(2019) Sensory analysis－Methodology－Duo-trio test
KS D 1910-6-2023 Method for chemical analysis of ferrochromium — Part 6: Determination of nitrogen content
KS I ISO 13878-2023 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS L 9310-2017(2022) Methods for chemical analysis of aluminum nitride powders
KS E ISO 11722-2022 Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS L 9310-2017 Methods for chemical analysis of aluminum nitride powders
KS I ISO 13395-2018 Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I 2203-2011 Methods for determination of oxides of nitrogen in flue gases
KS L 9310-2022 Methods for chemical analysis of aluminum nitride powders
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS M 8531-2018 Sodium hydroxide for nitrogen compounds analysis
KS E ISO 11722-2017(2022) Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS M ISO 15672-2022 Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser

KR-KS

KS E ISO 11722-2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS M 8531-2018(2023) Sodium hydroxide for nitrogen compounds analysis
KS I ISO 13878-2009(2023) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

European Committee for Standardization (CEN)

EN ISO 4120:2007 Sensory analysis - Methodology - Triangle test
EN ISO 4120:2021 Sensory analysis - Methodology - Triangle test (ISO 4120:2021)

AIAG - Automotive Industry Action Group

MSA-2003 Measurement Systems Analysis (MSA) (Third Edition)

VDI - Verein Deutscher Ingenieure

VDI 2456 Blatt 10-1990 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method
VDI 2456 Blatt 10-1989 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method

IN-BIS

IS 1350 Pt.4/Sec.2-1975 Test Methods for Coal and Coke Part IV Final Analysis Section 2: Determination of Nitrogen
IS 4581-1978 Phosphorus trichloride standard purity and analytical reagents

RU-GOST R

GOST R 53159-2008 Organoleptic analysis. Methodology. Triangle test

HU-MSZT

MSZ 21456/31-1983 Air gas pollution detection. Nitrogen hydroxide detection automatic analysis
MSZ 9650/24-1979 Azo dye testing
MSZ 9507-1957 Chloroform for analysis
MNOSZ 9575-1955 Arsenic trioxide for analysis

ZA-SANS

SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
SANS 11722:2005 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen

PT-IPQ

NP 1841-1985 fish. Determination of trimethylamine nitrogen content (N-TMA). photometry

CEN - European Committee for Standardization

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection

Indonesia Standards

SNI 19-1498-1989 Continuous NO and NO2 test apparatus in exhaust-gases

YU-JUS

JUS B.H8.320-1988 Methods of analysis of coal and coke. Determination of nitrogen ccmtent - Makro Kjeldahl nethod

Others: Triazole gas phase analysis,Trinitrogen test analysis,Nitrogen and phosphorus analyzer,3. Analysis of test results,Triazole analysis,Analytical method of benzotriazole,Analysis method of triazole,Triazole analysis