nitrogen and protein

nitrogen and protein, Total:118 items.

The international standard classification for "nitrogen and protein" includes: Milk and milk products in general , Animal feeding stuffs .

The Chinese standard classification for "nitrogen and protein" includes: Food sanitation , Livestock and poultry feed and additive .

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

GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products

Professional Standard - Commodity Inspection

SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export

Professional Standard - Agriculture

ZB X 66026-1987 Total Nitrogen and Crude Protein Determination

Group Standards of the People's Republic of China

T/DYZL 006-2019 Immune milk protein powder—α-Lactalbumin
T/AHFIA 109-2023 β- La in type whey protein powder
T/AHFIA 108-2023 α-lactalbumin type whey protein powder
T/NAIA 060-2021 Determination of true protein in feed Kjeldahl method
T/AHFIA 110-2023 β-casein type casein

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
GB 7300.601-2020 Feed additives－Part 6：Non－protein Nitrogen－Urea

Professional Standard - Light Industry

QB/T 2186-1995 Determination of Nitrogen Content of Hydrolyzed Protein Liquid with Ammonia Electrode Method

VN-TCVN

TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

PL-PKN

PN C04576 ArkusZ13-1973 Water and waste water Tests for nilrogen Determination of albuminous nitrogen

Standard Association of Australia （SAA）

AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
AS N67:1970 Method for the determination of undenatured whey protein nitrogen in non-fat dried milk

RU-GOST R

GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
GOST R 51467-1999 Caseins and caseinates. Method for determination of pH
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content
GOST R 51465-1999 Caseins and caseinates. Determination of scorched particles content
GOST R 52993-2008 Caseins and caseinates. Determination of moisture content (Reference method)
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST R 51469-1999 Caseins and caseinates. Photometric method for determination of lactose content
GOST R 51463-1999 Rennet caseins and caseinates. Method for determination of ASH content
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 33956-2016 Albumine and pastes from albumin. Specifications

International Organization for Standardization (ISO)

ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 15323:2002 | IDF 173:2002 Dried milk protein products — Determination of nitrogen solubility index
ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
ISO 15323:2002|IDF173:2002 Determination of nitrogen solubility rate of milk powder protein products
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk 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 | IDF 20-4:2001 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 8968-5:2001 | IDF 20-5:2001 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 20483:2013 Cereals and pulses.Determination of the nitrogen content and calculation of the crude protein content.Kjeldahl method
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method
ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
ISO 17997-2:2004 | IDF 29-2:2004 Milk — Determination of casein-nitrogen content — Part 2: Direct method
ISO 17997-2:2004|IDF 029-2:2004 Bovine Casein - Determination of Nitrogen Content Part 2: Direct Method

GSO

GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
GSO ISO 15323:2014 Dried milk protein products -- Determination of nitrogen solubility index
OS GSO ISO 15323:2014 Dried milk protein products -- Determination of nitrogen solubility index
BH GSO ISO 15323:2016 Dried milk protein products -- Determination of nitrogen solubility index
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 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
GSO ISO 17997-2:2014 Milk -- Determination of casein-nitrogen content -- Part 2: Direct method
OS GSO ISO 17997-2:2014 Milk -- Determination of casein-nitrogen content -- Part 2: Direct method
GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method
GSO 1374:2021 Edible Casein And Caseinates
BH GSO ISO 17997-2:2016 Milk -- Determination of casein-nitrogen content -- Part 2: Direct method

British Standards Institution (BSI)

BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
BS EN ISO 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS ISO 17997-2:2004 Milk. Determination of casein-nitrogen content - Direct method
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
BS ISO 15323:2002 Dried milk protein products. Determination of nitrogen solubility index
BS ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
BS ISO 17997-1:2004 Milk. Determination of casein-nitrogen content - Indirect method (Reference method)

CEN - European Committee for Standardization

EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

SCC

DANSK DS/EN ISO 8968-4:2016 Milk and milk products – Determination of nitrogen content – Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NS-EN ISO 8968-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
DANSK DS/ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
DIN EN ISO 8968-4 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO/DIS 8968-4:2013); German version prEN ISO 8968-...
BS DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
DANSK DS/ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
NS-EN ISO 8968-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
AENOR UNE 23053:1971 BLOOD TRANSFUSION. ALBUMIN
AENOR UNE-EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Part 5: Determination of protein nitrogen content. (ISO 8968-5:2001)

Association Francaise de Normalisation

NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V03-750*NF EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
NF EN ISO 20483:2014 Cereals and legumes - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

Spanish Association for Standardization (UNE)

UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content. (ISO 8968-5:2001)

German Institute for Standardization

DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN EN ISO 8968-4 E:2013-09 Determination of nitrogen content of milk and milk products Part 4: Determination of protein and non-protein nitrogen content and calculation of pure protein content (Reference Method) (Draft)
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 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 21415-4:2007 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method (ISO 21415-4:2006); German version EN ISO 21415-4:2007
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
DIN EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016

BE-NBN

NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen

European Committee for Standardization (CEN)

EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN ISO 20483:2013 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
EN ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method

PT-IPQ

NP 1986-1991 Milks Determination of protein content. Kjeldahl technique

Danish Standards Foundation

DS/ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
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/ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method

International Dairy Federation (IDF)

IDF 173-2002 Dried milk protein products - Determinatio of nitrogen solubility index
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

GOSTR

GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method

South African Bureau of Standard

SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content

Japanese Industrial Standards Committee (JISC)

JIS K 8068:1961 Albumin from eggs
JIS K 0602:2000 Proteins -- Serum albumin -- Methods for quantitative analysis

RO-ASRO

STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content

BG-BDS

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

Lithuanian Standards Office

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

CZ-CSN

CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content

Korean Agency for Technology and Standards (KATS)

KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)