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Determination of total nitrogen by semi-micro Kjeldahl method

Determination of total nitrogen by semi-micro Kjeldahl method, Total:148 items.

In the international standard classification, Determination of total nitrogen by semi-micro Kjeldahl method involves: Coals, Milk and milk products, Water quality, Soil quality. Pedology, External water conveyance systems, Animal feeding stuffs, Photography, Analytical chemistry, Fruits. Vegetables, Beverages, Sugar. Sugar products. Starch, General methods of tests and analysis for food products, Organic chemicals, Wastes, Cereals, pulses and derived products, Lubricants, industrial oils and related products, Fuels, Food products in general, Leather technology, Metalliferous minerals, Raw materials for rubber and plastics, Plastics, Petroleum products in general.

Korean Agency for Technology and Standards (KATS), Determination of total nitrogen by semi-micro Kjeldahl method

KS E ISO 333-2003(2013) Coal－Determination of nitrogen－Semi-micro Kjeldahl method
KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS H ISO 3188-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS H ISO 5378-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS E ISO 333:2003 Coal－Determination of nitrogen－Semi-micro Kjeldahl method
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS H ISO 3188:2008 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS H ISO 1871:2013 Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS H ISO 1871:2008 Agricultural food products-General directions for the determination of nitrogen by the Kjeldahl method
KS H ISO 5378:2008 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS M ISO 8988-2010(2020) Plastics－Phenolic resins－Determination of hexamethylenetetramine content－Kjeldahl method, perchloric acid method and hydrochloric acid method
KS M ISO 24698-2:2010 Rubber, raw－Determination of bound acrylonitrile content in acrylonitrile-butadiene rubber(NBR)－Part 2：Kjeldahl method

ZA-SANS, Determination of total nitrogen by semi-micro Kjeldahl method

SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SANS 8968-1:2006 Milk - Determination of nitrogen content Part 1: Kjeldahl method

AENOR, Determination of total nitrogen by semi-micro Kjeldahl method

UNE 32013:1995 COAL. DETERMINATION OF NITROGEN. SEMI-MICRO KJELDAHL METHOD.
UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-EN ISO 3188:1995 STARCHES AND DERIVED PRODUCTS. DETERMINATION OF NITROGEN CONTENT BY THE KJELDAHL METHOD. TITRIMETRIC METHOD. (ISO 3188:1978).
UNE-EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013)
UNE-EN ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
UNE 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
UNE-EN ISO 5378:1995 STARCHES AND DERIVED PRODUCTS. DETERMINATION OF NITROGEN CONTENT BY THE KJELDHAL METHOD. SPECTROPHOTOMETRIC METHOD. (ISO 5378:1978).

Association Francaise de Normalisation, Determination of total nitrogen by semi-micro Kjeldahl method

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 EN ISO 20483:2014 Céréales et légumineuses - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Méthode de Kjeldahl
NF EN ISO 5983-1:2005 Aliments des animaux - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Partie 1 : méthode Kjeldahl
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
NF EN ISO 8968-1:2014 Lait et produits laitiers - Détermination de la teneur en azote - Partie 1 : méthode Kjeldahl et calcul de la teneur en protéines brutes
NF V03-050:1970 Agricultural food products. General directions for the determination of nitrogen with mineralization by the jkeldahl method.
NF V04-221-1*NF EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1 : Kjeldahl principle and crude protein calculation
NF EN ISO 8988:2006 Plastiques - Résines phénoliques - Détermination de la teneur en hexaméthylènetétramine - Méthode Kjeldahl, méthode à l'acide perchlorique et méthode à l'acide chlorhydrique

German Institute for Standardization, Determination of total nitrogen by semi-micro Kjeldahl method

DIN 51722-1:1990-07 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN ISO 3188:1994-10 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978); German version EN ISO 3188:1994
DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN EN ISO 5378:1994-10 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978); German version EN ISO 5378:1994
DIN EN ISO 5983-1 Berichtigung 1:2009-07 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005, Corrigendum to DIN EN ISO 5983-1:2005-10; German version EN ISO 5983-1:20...
DIN EN ISO 5983-1:2005-10 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005
DIN 51722-1:1990 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN EN ISO 8988:2006-11 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006); German version EN ISO 8988:2006

VN-TCVN, Determination of total nitrogen by semi-micro Kjeldahl method

TCVN 6014-2007 Hard coal.Determination of nitrogen.Semi-micro Kjeldahl method
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 4328-1-2007 Animal feeding stuffs.Determination of nitrogen content and calculation of crude protein content.Part 1: Kjeldahl method

Jilin Provincial Standard of the People's Republic of China, Determination of total nitrogen by semi-micro Kjeldahl method

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)
DB22/T 1995-2014 Determination of feed grade choline chloride content Kjeldahl method

Group Standards of the People's Republic of China, Determination of total nitrogen by semi-micro Kjeldahl method

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/NAIA 0139-2022 Diesel engine nitrogen oxide reducing agent urea aqueous solution (AUS 32) Determination of urea content Automatic Kjeldahl method

Indonesia Standards, Determination of total nitrogen by semi-micro Kjeldahl method

SNI 4146-2013

PL-PKN, Determination of total nitrogen by semi-micro Kjeldahl method

PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

Association of Official Analytical Chemists (AOAC), Determination of total nitrogen by semi-micro Kjeldahl method

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

British Standards Institution (BSI), Determination of total nitrogen by semi-micro Kjeldahl method

BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
BS ISO 24698-2:2018 Rubber, raw. Determination of bound acrylonitrile content in acrylonitrile-butadiene rubber (NBR) - Kjeldahl method
BS EN ISO 8968-3:2007 Milk. Determination of nitrogen content. Block-digestion method (Semi-micro rapid routine method)
BS ISO 24698-2:2008 Rubber, raw - Determination of bound acrylonitrile content in acrylonitrile-butadiene rubber (NBR) - Kjeldahl method
BS ISO 8968-3:2004 Milk - Determination of nitrogen content - Block-digestion method (Semi-micro rapid routine method)
BS EN ISO 8968-3:2004 Milk - Determination of nitrogen content - Block-digestion method (Semi-micro rapid routine method)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of total nitrogen by semi-micro Kjeldahl method

GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 5511-2008 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
GB/T 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification method
GB 9170-1988 Determination method of total nitrogen content in lubricating oil and fuel oil (improved Kjeldahl method)
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method

American Society for Testing and Materials (ASTM), Determination of total nitrogen by semi-micro Kjeldahl method

ASTM E147-61(2017) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
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 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 E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-08(2014) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D2868-17 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method

RU-GOST R, Determination of total nitrogen by semi-micro Kjeldahl method

GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST ISO/TS 17837-2013 Processed cheese products. Determination of nitrogen content and crude protein calculation. Kjeldahl method

PT-IPQ, Determination of total nitrogen by semi-micro Kjeldahl method

NP 1986-1991 Milks Determination of protein content. Kjeldahl technique
NP 1996-2000 Cereals and pulses Determiantion of the nitrogen content and calculation of the raw protein content Kjeldhal method

TR-TSE, Determination of total nitrogen by semi-micro Kjeldahl method

TS 362-1966 DETERMINAT?ON OF NITROGEN ?N COAL BY THE SEMI ■ M?KRO KJELDAHL METHOD

International Organization for Standardization (ISO), Determination of total nitrogen by semi-micro Kjeldahl method

ISO 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method
ISO 333:1983 Coal; Determination of nitrogen; Semi-micro Kjeldahl method
ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method
ISO 333:1996/Cor 1:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method; Technical Corrigendum 1
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 3188:1978 Starches and derived products; Determination of nitrogen content by the Kjeldahl method; Titrimetric method
ISO 1871:1975 Agricultural food products; General directions for the determination of nitrogen by the Kjeldahl method
ISO 5378:1978 Starches and derived products; Determination of nitrogen content by the Kjeldahl method; Spectrophotometric method
ISO/TS 11725:2002 Solid mineral fuels - Determination of nitrogen - Semi-micro gasification method

CZ-CSN, Determination of total nitrogen by semi-micro Kjeldahl method

CSN 56 0020-1987 General directions for the determination f nitrogen by the Kjeldahl method
CSN ISO 1871:1994 Agricultural food products-General directions for the determination of nitrogen by the Kjeldahl method

International Dairy Federation (IDF), Determination of total nitrogen by semi-micro Kjeldahl method

IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
IDF/RM 25-2008 Milk and milk products - Determination of nitrogen content and crude protein calculation - Kjeldahl method

Danish Standards Foundation, Determination of total nitrogen by semi-micro Kjeldahl method

DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS/EN ISO 3188:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method
DS/EN ISO 5378:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophometric method
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
DS/EN ISO 5983-1/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 8988:2007 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method

Lithuanian Standards Office , Determination of total nitrogen by semi-micro Kjeldahl method

LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method (ISO 8968-1:2001)
LST EN ISO 3188:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978)
LST EN ISO 5378:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
LST EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)
LST EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
LST EN ISO 5983-1:2005/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)

Professional Standard - Agriculture, Determination of total nitrogen by semi-micro Kjeldahl method

NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
GB 7173-1987 Determination of total nitrogen in soil (semi-micro Kelvin method)
NY/T 3-1982 Method for determination of crude protein in cereals and beans seeds(Semi-micro kjeldahl method)
GB 2905-1982 Determination of crude protein in cereal and bean crop seeds (semi-micro Kjeldahl method)

Professional Standard - Environmental Protection, Determination of total nitrogen by semi-micro Kjeldahl method

HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method

Hunan Provincial Standard of the People's Republic of China, Determination of total nitrogen by semi-micro Kjeldahl method

DB43/T 751-2013 Determination of Nitrogen in Graphite by Semi-Micro Kelvin Method

未注明发布机构, Determination of total nitrogen by semi-micro Kjeldahl method

BS EN ISO 3188:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method
BS EN ISO 5378:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Spectrometric method
DIN EN ISO 8968-1:2002 Milk — Determination of nitrogen content — Part 1: Kjeldahl method (ISO 8968-1:2001)
BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method

GOSTR, Determination of total nitrogen by semi-micro Kjeldahl method

GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
GOST 34536-2019 Milk and milk products. Determination of mass fraction of whey proteins by Kjeldahl method

BG-BDS, Determination of total nitrogen by semi-micro Kjeldahl method

BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

Professional Standard - Urban Construction, Determination of total nitrogen by semi-micro Kjeldahl method

CJ/T 103-1999 Municipal domestic refuse.Determination of total nitrogen.Semi-micro Kjeldahl method

RO-ASRO, Determination of total nitrogen by semi-micro Kjeldahl method

STAS SR ISO 3188:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method-Titrimetric method
STAS SR 9763-13-1996 Spices and condiments. Determination of nitrogen content by the Kjeldahl method. Spectrophotometric method

NL-NEN, Determination of total nitrogen by semi-micro Kjeldahl method

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
NEN 3760-1984 Cheese - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein 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 6641-1983 Sludge - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method
NEN 3198-1984 Milk, evaporated milk and dried milk - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content (reference method)

ES-UNE, Determination of total nitrogen by semi-micro Kjeldahl method

UNE-EN ISO 5983-1:2007/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)

YU-JUS, Determination of total nitrogen by semi-micro Kjeldahl method

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

SE-SIS, Determination of total nitrogen by semi-micro Kjeldahl method

SIS SS 02 81 01-1992 Nitrogen content of water — Determination with Kjeldahl method after reduction with Devarda's alloy

TH-TISI, Determination of total nitrogen by semi-micro Kjeldahl method

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method

BE-NBN, Determination of total nitrogen by semi-micro Kjeldahl method

NBN-EN ISO 5378:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)

Professional Standard - Geology, Determination of total nitrogen by semi-micro Kjeldahl method

DZ/T 0279.29-2016 Methods of Analysis of Regional Geochemical Samples Part 29: Nitrogen Determination Kjeldahl Distillation - Volumetric Method

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, Determination of total nitrogen by semi-micro Kjeldahl method

GB/T 33317-2016 Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method