Nitrogen content in water

Nitrogen content in water, Total:127 items.

The international standard classification for "Nitrogen content in water" includes: Fertilizers , Ferroalloys , Milk and milk products in general , Tobacco, tobacco products and related equipment , Organic chemicals .

The Chinese standard classification for "Nitrogen content in water" includes: Basic standards and general methods on chemical fertilizers , Steel and iron alloy analysis method , Food sanitation , Tobacco, beverage crop and product , Organic chemicals in general .

Tianjin Provincial Standard of the People's Republic of China

DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry
DB12/T 955-2020 Determination of Nitrogen and Phosphorus in Dairy Farm Dung Water by Near Infrared Diffuse Reflectance Spectrometry

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

GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—The distillation-neutralization titration method
GB/T 3600-2000 Fertilizers;Determination of ammoniacal nitrogen content;Formaldehyde method
GB/T 24583.3-2009 Vanadium-Nitrogen alloy-Determination of nitrogen content—The distillation-neutralization titration method
GB/T 3597-2002 Fertilizer - Determination of nitrate nitrogen content - Nitron gravimetric method
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers

Professional Standard - Agriculture

GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
GB 3598-1983 Fertilizers;Determination of urea nitrogen content;Urease method
GB 8572-1988 Determination of total nitrogen content in compound fertilizer

工业和信息化部

YB/T 4582.8-2017 Ferrosilicon nitride. Determination of silicon content. Perchloricacid dehydration gravimetric method
YB/T 4582.7-2017 Ferrosilicon nitride-Determination of total nitrogen content-Neutralization titration method
YB/T 4566.5-2016 Ferrovanadium nitride. Determination of silicon content. The sulphuric acid dehydration. gravimetric method
YB/T 4566.2-2016 Ferrovanadium nitride. Determination of nitrogen content. Distillation separation-acid-base neutral titration method

Professional Standard - Ferrous Metallurgy

YB/T 4530-2016 Nitrogen-bearing ferromanganese. Determination of nitrogen content. The distillation-neutralization titration method

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method

Professional Standard - Commodity Inspection

SN/T 0840-2015 Determination of nitrogen content of urea for import and export
SN/T 0840-1999 Method for the determination of nitrogen content of urea for import and export
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

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 34532-2017 Coking wastewater - Determination of ammonia nitrogen content - Formaldehyde method

Professional Standard - Petrochemical Industry

SH/T 0413-1992 Determination of minor basic nitrogen in liquid paraffin

Group Standards of the People's Republic of China

T/GDASE 0009-2020 Determination of the content of carbon, hydrogen, oxygen, nitrogen and sulfur in graphene

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

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

CZ-CSN

CSN 65 4814-1976 Determinaíion of nitrogen oontent in fertilizers
CSN 50 0393-1986 Determination of the content of or- ganic nitrogen in páper and paper- board

PL-PKN

PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN A86026-1990 Milk and dairy products Milk powdcr Determination of nitritc and nitrate contents
PN C87077-1992 Nitrogenous fertilizers. Determination of cooper

RO-ASRO

SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination
STAS 7312-1983 SURFACE AND RESIDUAL WATERS Determination of azote content
STAS 9065/7-1974 MEAT AND MEAT PRODUCTS Determination of easyly hydrolisable 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 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air

Indonesia Standards

SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 13-4721-1998 Methods for determination of total nitrogen content in soils

Association Francaise de Normalisation

NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
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 U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric 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 01-1992 Nitrogen content of water — Determination with Kjeldahl method after reduction with Devarda's alloy

VE-FONDONORMA

NORVEN 378 Regulation of nitrogen content in cocoa beans

RU-GOST R

GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
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 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)

AR-IRAM

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

TN-INNORPI

NT 14.33-1983 Determination of all nitrogen contents in milk

Korean Agency for Technology and Standards (KATS)

KS D 1811-2003 Methods for determination of nitrogen in iron and steel
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 ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS M ISO 5397-2002(2017) Leather－Determination of nitrogen content and “hide substance”－Titrimetric method

British Standards Institution (BSI)

BS DD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
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 EN ISO 8968-5:2002 Milk. Determination of nitrogen content. Determination of protein-nitrogen content
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 8968-4:2002 Milk. Determination of nitrogen content. Determination of non-protein nitrogen content
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch

American Society for Testing and Materials (ASTM)

ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM RR-D31-1008 1996 D2868-Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather

Lithuanian Standards Office

LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method

Danish Standards Foundation

DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
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

SCC

NS-EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DANSK DS/EN 12135:1997 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
SPC GB/T 24583.2-2019 Vanadium-nitrogen -- Determination of nitrogen content -- Thermal conductimetric method after fusion in a current of inert gas (TEXT OF DOCUMENT IS IN CHINESE)
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
BS EN ISO 8968-1:2002 Milk. Determination of nitrogen content-Kjeldahl method

Spanish Association for Standardization (UNE)

UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE 36317-1:1985 DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD
UNE-CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)

German Institute for Standardization

DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
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 EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
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

VN-TCVN

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
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

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

PT-IPQ

NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method
NP 3646-1987 fertilizer. Measurement of total nitrogen content

National Sanitation Foundation (NSF)

NSF 245A-2010 Wastewater Treatment Systems - Nitrogen Reduction

GSO

GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
OS GSO ISO 8968-5:2014 Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content

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 Milk - Determination of nitrogen content - Part 5: Determination of 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 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content

BE-NBN

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black 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

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