Sewage Total Nitrogen Determination of Total Nitrogen Content

Sewage Total Nitrogen Determination of Total Nitrogen Content, Total:175 items.

The international standard classification for "Sewage Total Nitrogen Determination of Total Nitrogen Content" includes: Fertilizers , Inorganic chemicals in general , Edible oils and fats. Oilseeds , Rubber .

The Chinese standard classification for "Sewage Total Nitrogen Determination of Total Nitrogen Content" includes: Soil and fertilizer in general , Basic standards and general methods on chemical fertilizers , Chemical fertilizer and chemical soil conditioner , Inorganic chemicals in general , Basic standards and general methods , Photographic-grade chemicals , Rubber products in general .

Professional Standard - Agriculture

NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content
GB/T 42955-2023 Determination of total nitrogen content for fertilizers—Dumas combustion method
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
GB 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation

Jilin Provincial Standard of the People's Republic of China

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

Group Standards of the People's Republic of China

T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method

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

GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content
GB/T 2441.1-2008 Determination of urea - Part 1: Total nitrogen content
GB/T 9823-2008 Inspection of grain and oils - Determination of total nitrogen content in plant oilseeds residues
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers--Titrimetric method after distillation
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content

Professional Standard - Urban Construction

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Taiwan Provincial Standard of the People's Republic of China

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water

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

Professional Standard - Commodity Inspection

SN/T 3097-2012 Determination of total nitrogen in fertilizers-Combustion

Shandong Provincial Standard of the People's Republic of China

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

Tianjin Provincial Standard of the People's Republic of China

DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

Henan Provincial Standard of the People's Republic of China

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

未注明发布机构

DIN EN ISO 16948 E:2013-03 Determination of total carbon, hydrogen and nitrogen content of solid biofuels (draft)

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

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

PL-PKN

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

Association Francaise de Normalisation

NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen content by dry combustion
NF EN ISO 16948:2015 Solid biofuels - Determination of total carbon, hydrogen and nitrogen content
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF EN 13716:2002 Surfactants - Determination of total basic nitrogen content - Potentiometric titration
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")

NL-NEN

NEN 6642-1992 Water-Calculation of total nitrogen content
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
NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium

HU-MSZT

MNOSZ 448-27.lap-1955 Determination of total nitrogen water
MSZ 318/18-1981 Determination of total nitrogen in sludge test
MSZ 260/13-1980 Definition of detecting total iron content in sewage

CZ-CSN

CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 68 4124-1980 Determination of small mounts of total nitrogen
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content

Indonesia Standards

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method

VN-TCVN

TCVN 5265-1990 Bee products.Determination of total nitrogen content
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method

PT-IPQ

NP 3646-1987 fertilizer. Measurement of total nitrogen content
NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

YU-JUS

JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.261-1987 Reagents. Barium chloride dihydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method
JUS H.G8.435-1990 Reaqents. Potassium iodide. Determination of total nitroaen content. Colorimetric method
JUS H.G8.064-1983 Reagents. Copper sulphate pentahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.104-1984 Reagents. Potassium chloride. Determination of total nitrogen content. Colorimetric method
JUS H.G8.415-1991 Reagents. So?ium hydroxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
JUS H.G8.280-1987 Reagents. lron(ll)sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.343-1988 Reagents. Zine chloride. Determination of total nitrogen content. Colorinetcic metbod
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS H.G8.489-1991 Reagents. Potassium permanganate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method

RU-GOST R

GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates

International Organization for Standardization (ISO)

ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method

Danish Standards Foundation

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

SCC

DANSK DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
AENOR UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
NS-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DANSK DS/EN 15560:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free
UNE-CEN/TS 15560:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

RO-ASRO

STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content

Korean Agency for Technology and Standards (KATS)

KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
KS M ISO 5315:2013 Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

British Standards Institution (BSI)

BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
24/30474161 DC BS ISO 29541 Coal - Determination of total carbon, hydrogen and nitrogen content. Instrumental method

SE-SIS

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

German Institute for Standardization

DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN ISO 16948:2015-09 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)

European Committee for Standardization (CEN)

PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

AENOR

UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

KR-KS

KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS I ISO 13878-2009(2023) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

ES-UNE

UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

American Society for Testing and Materials (ASTM)

ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

BE-NBN

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method
NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation

GSO

BH GSO ISO 13878:2016 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")
BH GSO ISO 29541:2016 Solid mineral fuels -- Determination of total carbon, hydrogen and nitrogen content -- Instrumental method
OS GSO ISO 29541:2014 Solid mineral fuels -- Determination of total carbon, hydrogen and nitrogen content -- Instrumental method
GSO ISO 29541:2014 Solid mineral fuels -- Determination of total carbon, hydrogen and nitrogen content -- Instrumental method

Lithuanian Standards Office

LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

GOST

GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method

Association of Official Analytical Chemists (AOAC)

AOAC Official Method 2001.14 Determination of total nitrogen in cheese
AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

NO-SN

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen

Canadian Standards Association (CSA)

CAN/CSA-ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (First Edition)