nitrogen content

nitrogen content, Total:195 items.

The international standard classification for "nitrogen content" includes: food products in general , Fertilizers , Starch and derived products , Latex and raw rubber , Ferroalloys , Milk and milk products in general , Testing of metals , Inorganic chemicals in general , Crude petroleum , Ferrous metals in general , Meat and meat products , Animal feeding stuffs , Organic chemicals , Aircraft and space vehicles in general , Rubber , Carbon materials .

The Chinese standard classification for "nitrogen content" includes: Basic standards and general methods , Basic standards and general methods on chemical fertilizers , Chemical fertilizer and chemical soil conditioner , Grain processing and products , Forestry chemical raw material , Steel and iron alloy analysis method , Food sanitation , Semimetal and semiconductor material analysis method , Inorganic chemicals in general , Crude petroleum , Food processing and products in general , Photographic-grade chemicals , Meat processing and products , Livestock and poultry feed and additive , Coal tar processed products , Rubber products in general , Soil and fertilizer in general , Carbon material in general , Petroleum products additive in general .

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

GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
GB/T 24583.2-2009 Vanadium—Nitrogen alloy—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas
GB/T 17674-2012 Determination of nitrogen in crude oil by boat-inlet chemiluminescence
GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content
GB/T 9695.11-2008 Meat and meat products - Determination of nitrogen content
GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 22427.10-2008 Starches and derived products - Determination of nitrogen content
GB/T 8088-2008 Rubber raw natural and rubber latex natural - Determination of nitrogen content
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers--Titrimetric method after distillation
GB/T22427.10-2008 Starches and derived products-Determination of nitrogen content
GB/T 5511-2008 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
GB/T 24583.3-2009 Vanadium-Nitrogen alloy-Determination of nitrogen content—The distillation-neutralization titration method
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers - Part 1: Total nitrogen content
GB/T 3597-2002 Fertilizer - Determination of nitrate nitrogen content - Nitron gravimetric method
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB/T 2441.1-2008 Determination of urea - Part 1: Total nitrogen content
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 22427.10-2008 Starches and derived products - Determination of nitrogen content
GB/T 8088-1999 Rubber，raw natural and rubber latex，natural-Determination of nitrogen content
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 9695.11-1988 Meat and meat products--Method for determination of nitrogen content
GB/T 3595-2000 Fertilizers;Determination of ammoniacal nitrogen content;Titrimetric method after distillation
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 41942-2022 Rubber, raw natural, and rubber latex, natural—Determination of nitrogen content—Micro Dumas combustion method
GB/T 17674-1999 Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products-Kjeldahl spectrophotometric method
GB/T 3600-2000 Fertilizers;Determination of ammoniacal nitrogen content;Formaldehyde method
GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 17674-2021 Determination of nitrogen in crude oil―Boat-inlet chemiluminescence
GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 38395-2019 Coal tar—Determination of sulfur and nitrogen content
GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content

Professional Standard - Agriculture

GB 8572-1988 Determination of total nitrogen content in compound fertilizer
NY/T 2419-2013 Determination of total nitrogen in plant - Automatic kjeldahl apparatus method
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
NY/T 1116-2006 Fertilizers - Determination of nitrate nitrogen content - Ultraviolet spectro - Photometric method
NY/T 1116-2014 Fertilizer - Determination for content of nitrate nitrogen, ammonium nitrogen and amidonitrogen
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 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB 8088-1987 Determination of Nitrogen Content in Natural Raw Rubber

Jilin Provincial Standard of the People's Republic of China

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

Professional Standard - Aerospace

QJ 2781A-2004 Determination of the carbon content the hydrogen content and the nitrogen content of carbonaceous material
QJ 2781-1995 Method for Determination of Carbon, Hydrogen and Nitrogen Content in Carbon Materials

Professional Standard - Commodity Inspection

SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export
SN/T 0840-2015 Determination of nitrogen content of urea for import and export
SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export - Determination of nitrogen content by auto analyzer
SN/T 0541.5-2009 Inspecting method of import and export standard rubber - Determination of nitrogen content
SN/T 3810-2014 Determination of nitrogen content in urea and ammonium sulfate- Fluorescent spectrometry for X-ray
SN/T 3097-2012 Determination of total nitrogen in fertilizers-Combustion
SN/T 0736.5-2010 Test method of import and export fertilizers—Part 5:Determination of nitrogen content

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

Professional Standard - Petrochemical Industry

SH/T 0224-1992 Determination method for nitrogen content in petroleum additive (Kjeldahl Method )
SH/T 0704-2001 Standard test method for nitrogen in petroleum and petroleum products by boat-inlet chemiluminescence
SH/T 0171-1992 Method for Determination of Nitrogen Content in Petroleum and Petroleum Products (Thymol Colorimetric 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

Professional Standard - Ferrous Metallurgy

YB/T 4306-2012 Steel, Iron and Alloy-Determination of Nitrogen Content-Thermal Conductimetric Method after Fusion in a Current of Inert Gas

Sichuan Provincial Standard of the People's Republic of China

DB51/T 2043-2015 Determination of Oxygen and Nitrogen Content in Vanadium Aluminum Alloy Inert Gas Fusion-Infrared Absorption Method and Thermal Conductivity Method

Professional Standard - Aviation

HB 5220.48-1995 Superalloy Chemical Analysis Method Water Steam Distillation - Volumetric Method (or Absorptiometry) Determination of Nitrogen Content

工业和信息化部

YB/T 4582.7-2017 Ferrosilicon nitride-Determination of total nitrogen content-Neutralization titration method

Professional Standard - Nuclear Industry

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

Xinjiang Provincial Standard of the People's Republic of China

DB65/T 4631.2-2023 Soil testing methods - Determination of available elements - Part 2: Determination of hydrolyzable nitrogen content

German Institute for Standardization

DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
DIN EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of the non-protein-nitrogen content (ISO 8968-4:2001); German version EN ISO 8968-4:2001
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009

British Standards Institution (BSI)

BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS DD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method

International Organization for Standardization (ISO)

ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 8968-4:2001 | IDF 20-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 8968-4:2001/Cor 1:2011 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content; Technical Corrigendum 1
ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method

RO-ASRO

STAS 6843-1982 STEELS ANI) CAST 1RONS Determination of nitrogen content
STAS 6182/4-1979 WINE Determination of total nitrogen content
STAS 8613/6-1980 CONCENTRATED FOODSTUFF Determination of nitrogen content
STAS 7425-1979 NITROCELLULOSES Determination of nitrogen content
STAS SR 12271-6-1994 Uranium dioxide. Determination of nitrogen content
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS 8854-1972 ADDITIVES FOR MINERAL OILS Determination of nitrogen content
STAS 7312-1983 SURFACE AND RESIDUAL WATERS Determination of azote content
STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content

RU-GOST R

GOST 8775.4-1987 Lithium. Method of determination of nitrogen
GOST 21600.6-1983 Ferrochrome. Method for the determination of nitrogen
GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
GOST 32008-2012 Meat and meat products. Determination of nitrogen content (Reference method)
GOST R 55331-2012 Milk and milk products. Titrimetric method of calcium content determination

Association Francaise de Normalisation

NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF V59-202:1988 Collagenes. Determination of the nitrogen content.
NF U42-119:1965 Products used in agriculture. Determination of nitrogen content in class C nitrogenous fertilizers.
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF X33-009*NF EN 13342:2000 Characterization of sludges - Determination of Kjeldahl nitrogen
NF U42-117:1965 Products used in agriculture. Fertilizers. Determination of nitrogen content in class a nitrogenous fertilizers.
NF C17-200 F1:2000 Solid mineral fuels - Determination of nitrogen.
NF U42-118:1965 Products used in agriculture. Determination of nitrogen content in class B nitrogenous fertilizers.
NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF ISO 27871:2011 Fromages et fromages fondus - Détermination des fractions azotées

GSO

OS GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method
GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
OS GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method

Danish Standards Foundation

DS/EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method

International Dairy Federation (IDF)

IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content

NL-NEN

NEN 6642-1992 Water-Calculation of total nitrogen content

PT-IPQ

NP 3646-1987 fertilizer. Measurement of total nitrogen content

Spanish Association for Standardization (UNE)

UNE-EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content. (ISO 8968-5:2001)
UNE-EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content. (ISO 8968-4:2001)
UNE 36317-1:1985 DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD

CZ-CSN

CSN 65 4814-1976 Determinaíion of nitrogen oontent in fertilizers
CSN 65 0331-1963 Deterimination oí Nierogea by Kjeldahl's method
CSN 62 3008-1986 Natural raw rubber in blocks. Determination of nitrogen content
CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content

Lithuanian Standards Office

LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)

HU-MSZT

MSZ KGST 1239-1978 Determination of nitrogen content in iron and steel
MSZ 12050/7.lap-1968 Definition detection of latex. Nitrogen content
MSZ KGST 451-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ KGST 455-1977 Define iron oxide nitrogen content of aluminum oxide
MSZ 6117/3-1982 Artificial products with long-lasting effects. Nitrogen content definition
MSZ 6830/4-1981 Determination of nutritional value of feed based on nitrogen content

SCC

AENOR UNE-EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Part 5: Determination of protein nitrogen content. (ISO 8968-5:2001)
NS-EN ISO 8968-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
NS-EN ISO 8968-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)
BS EN ISO 8968-1:2002 Milk. Determination of nitrogen content-Kjeldahl method
DANSK DS/EN ISO 4945:2009 Steel – Determination of nitrogen content – Spectrophotometric method
NS-EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
JIS K 2609:2022 Crude petroleum and petroleum products -- Determination of nitrogen content

Indonesia Standards

SNI 13-3482-1994 Coal, Determination of nitrogen using Kyeldahl method
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 13-4721-1998 Methods for determination of total nitrogen content in soils

Korean Agency for Technology and Standards (KATS)

KS D 2530-2007 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2555-2005 Methods for determination of nitrogen in tantalum
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS M 8531-2004 Sodium hydroxide for nitrogen compounds analysis
KS M ISO 5397:2002 Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS M 2112-2011(2021) Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-2011(2016) Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-1986 Crude petroleum and petroleum products —Determination of nitrogen content
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS M 2112-2021 Crude petroleum and petroleum products —Determination of nitrogen content

Japanese Industrial Standards Committee (JISC)

JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS K 2609:1998 Crude petroleum and petroleum products -- Determination of nitrogen content

South African Bureau of Standard

SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content

PL-PKN

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen

VE-FONDONORMA

NORVEN 378 Regulation of nitrogen content in cocoa beans

VN-TCVN

TCVN 5265-1990 Bee products.Determination of total nitrogen content
TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content

YU-JUS

JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method

FI-SFS

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

TN-INNORPI

NT 14.33-1983 Determination of all nitrogen contents in milk

AR-IRAM

IRAM 14 522-1961 How to measure nitrogen content in beer

National Sanitation Foundation (NSF)

NSF 245A-2010 Wastewater Treatment Systems - Nitrogen Reduction

BE-NBN

NBN V 21-003-1987 Milk - Determination of nitrogen content - Kjeldahl method

American Society for Testing and Materials (ASTM)

ASTM D3533-90(1995)e1 Standard Method of Rubber8212;Nitrogen Content
ASTM D3533-90(2001) Standard Test Method for Rubber8212;Nitrogen Content

European Committee for Standardization (CEN)

EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
EN ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

CEN - European Committee for Standardization

EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method

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