Biological nitrogen

Biological nitrogen, Total:153 items.

The international standard classification for "Biological nitrogen" includes: Cans. Tins. Tubes , Solid fuels , Starch and derived products , Ambient atmospheres , Protection against dangerous goods , Environmental protection , Aircraft and space vehicles in general , Tobacco, tobacco products and related equipment , Protection against crime .

The Chinese standard classification for "Biological nitrogen" includes: Refrigeration equipment , Coal analysis methods , Basic standards and general methods , Grain processing and products , Environmental sanitation , Marking, packaging, transport and storage in general , Environmental protection equipment , Tobacco , Crime judging technology , Landscaping and city appearance sanitation , Chemical Measurement .

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

GB/T22427.10-2008 Starches and derived products-Determination of nitrogen content
GB/T 17096-1997 Hygienic standard for nitrogen oxides in indoor air
GB/T 22427.10-2008 Starches and derived products - Determination of nitrogen content
GB/T 5458-2012 Liquid nitrogen biological container
GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products-Kjeldahl spectrophotometric method
GB/T 27854-2011 Chemicals—Soil microorganisms—Nitrogen transformation test
GB/T 22427.10-2008 Starches and derived products - Determination of nitrogen content
GB/T 5458-1997 Liquid nitrogen biological container
GB/T 30728-2014 Determination of nitrogen in solid biofuels

Group Standards of the People's Republic of China

T/DGAS 003-2018 Rice Nitrogen Fixing Microorganisms
T/CSBME 067-2023 Medical large-caliber liquid nitrogen biological container
T/NAIA 009-2020 Determination of soil microbial biomass nitrogen
T/SDBFIA 005-2023 Peanut nitrogen source for antibiotic fermentation

未注明发布机构

DIN CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp.
DIN ISO 14238:1999-10 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
DIN CEN/TS 17713:2022 Plant biostimulants - Determination of Azospirillum spp.
PREN 17709:2023 Plant biostimulants - Determination of Azobacter spp.

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content
GB/T 37528-2019 General technical specification for biological filter for nitrogen removal

Professional Standard - Tobacco

YC/T 510-2014 Measurement for tobacco molecular biology—Preparation of tobacco leaf samples—Liquid nitrogen-method

Professional Standard - Agriculture

GB 8088-1987 Determination of Nitrogen Content in Natural Raw Rubber

Henan Provincial Standard of the People's Republic of China

DB41/T 2405-2023 Biomass Boiler Low Nitrogen Energy Saving Technical Requirements

Fujian Provincial Standard of the People's Republic of China

DB35/ 1976-2021 Emission Standards for Nitrogen Oxides in Domestic Garbage Incineration

Professional Standard - Public Safety Standards

GA/T 1615-2019 Forensic sciences—Examination methods for clozapine in biological samples—GC and GC-MS

Chongqing Provincial Standard of the People's Republic of China

DB50/T 833-2017 Determination of nitrogen oxides in ambient air (nitrogen monoxide and nitrogen dioxide) by chemiluminescence

Professional Standard - Recommended Standards for Engineering Construction

CECS 149-2003 Specification for design of nitrogen and phosphorus removal in activated sludge system

National Metrological Verification Regulations of the People's Republic of China

JJG 801-2004 Verification Regulation of Chemiluminescent NO/NOx Analyzers

VN-TCVN

TCVN 5255-2009 Soil quality.Method for the determination of bio-available nitrogen
TCVN 6166-2002 Microbial nitrogen fixing fertilizer
TCVN 6653-2000 Soil quality.Biological methods.Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes

Korean Agency for Technology and Standards (KATS)

KS I ISO 14238:2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS I 2203-2011 Methods for determination of oxides of nitrogen in flue gases

KR-KS

KS I ISO 14238-2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen

SCC

BS 5697-1:1979 Methods of test for starch and its derivatives and by-products. Determination of nitrogen conteny by the Kjeldahl method ( titrimetric method)
BS 5697-2:1979 Methods of test for starch and its derivatives and by-products. Determination of nitrogen conteny by the Kjeldahl method ( spectrophotometric method)
NS-EN 16168:2012 Sludge, treated biowaste and soil — Determination of total nitrogen using dry combustion method
DANSK DS/CEN/TS 17709:2022 Plant biostimulants – Determination of Azotobacter spp.
SN-CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp.
BS PD CEN/TS 17709:2022 Plant biostimulants. Determination of Azotobacter spp.
DANSK DS/EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DIN EN 17709 E:2023 Draft Document - Plant biostimulants - Determination of Azobacter spp.; German and English version prEN 17709:2023
BS PD CEN/TS 17713:2022 Plant biostimulants. Determination of Azospirillum spp.
DANSK DS/CEN/TS 17713:2022 Plant biostimulants – Determination of Azospirillum spp.
SN-CEN/TS 17713:2022 Plant biostimulants - Determination of Azospirillum spp.
NS-EN 15104:2011 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
SN-CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
DIN CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version CEN/TS 15104:2005
DANSK DS/EN ISO 3188:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method
DANSK DS/CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
UNE-CEN/TS 15104:2008 EX Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
AWWA WQTC60767 Disinfection Byproduct Formation from Key Nitrogenous Precursors
DIN EN 17713 E:2023 Draft Document - Plant biostimulants - Determination of Azospirillum spp.; German and English version prEN 17713:2023
10/30147466 DC BS EN 16168. Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
DIN EN 16168 E:2011 Draft Document - Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version prEN 16168:2010
DANSK DS/EN ISO 5378:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophometric method
DIN EN 15104 E:2010 Draft Document - Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version FprEN 15104:2010
FM Approvals 1035:2018 Nitrogen Generators
NS-EN ISO 3188:1994 Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method (ISO 3188:1978)
NS-EN 16169:2012 Sludge, treated biowaste and soil — Determination of Kjeldahl nitrogen
DANSK DS/EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen
VDI 3957 BLATT 19-2009 Biological measurement methods for determining and assessing the effects of air pollution (bioindication) — Detection of regional nitrogen deposition using the mosses Scleropodium purum and Pleurozium schreberi
SPC GB/T 37528-2019 General technical specification for biological filter for nitrogen removal (TEXT OF DOCUMENT IS IN CHINESE)
10/30219384 DC BS EN 15104. Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
NS-EN ISO 5378:1994 Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Spectrophotometric method (ISO 5378:1978)
AWWA WQTC71662 Full-scale Biological Denitrification Plants in Germany, Austria and Poland
DIN EN 16169 E:2011 Draft Document - Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen; German version prEN 16169:2010

European Committee for Standardization (CEN)

EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen
FprCEN/TS 17709-2021 Plant biostimulants - Determination of Azotobacter spp.
prEN 17709 Plant biostimulants - Determination of Azobacter spp.
CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp.
FprCEN/TS 17713-2021 Plant biostimulants - Determination of Azospirillum spp.
prEN 17713 Plant biostimulants - Determination of Azospirillum spp.
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

Danish Standards Foundation

DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
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 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen

Lithuanian Standards Office

LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
LST EN ISO 3188:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978)
LST EN 16169-2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen
LST EN ISO 5378:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)

Association Francaise de Normalisation

XP U45-023*XP CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp.
XP U45-009*XP CEN/TS 17713:2022 Plant biostimulants - Determination of Azospirillum spp.
XP CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp
XP CEN/TS 17713:2022 Biostimulants des végétaux - Détermination d'Azospirillum spp.
NF EN ISO 3188:1994 Starches and derived products - Determination of nitrogen according to the Kjeldahl method - Titrimetric method
NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen content by dry combustion
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF X31-225*NF EN ISO 14238:2014 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.
NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
NF EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen
NF EN ISO 5378:1994 Starches and derived products - Determination of nitrogen according to the Kjeldahl method - Spectrophotometric method
NF EN ISO 16948:2015 Solid biofuels - Determination of total carbon, hydrogen and nitrogen content
NF X31-037*NF EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen.
NF EN 13654-1:2002 Soil amendments and growing media - Determination of nitrogen - Part 1: modified Kjeldahl method

British Standards Institution (BSI)

PD CEN/TS 17709:2022 Plant biostimulants. Determination of Azotobacter spp.
PD CEN/TS 17713:2022 Plant biostimulants. Determination of Azospirillum spp.
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
BS EN ISO 5378:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Spectrometric method
BS EN ISO 3188:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method
BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
23/30463135 DC BS EN 17709. Plant biostimulants. Determination of Azobacter spp
23/30463096 DC BS EN 17713. Plant biostimulants. Determination of Azospirillum spp
BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H
BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
BS EN 16168:2012 Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
BS EN 16169:2012 Sludge, treated biowaste and soil. Determination of Kjeldahl nitrogen
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)

German Institute for Standardization

DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN CEN/TS 17713:2022-07 Plant biostimulants - Determination of Azospirillum spp.; German version CEN/TS 17713:2022
DIN EN 17709:2023-05 Plant biostimulants - Determination of Azobacter spp.; German and English version prEN 17709:2023 / Note: Date of issue 2023-03-31*Intended as replacement for DIN CEN/TS 17709 (2022-07).
DIN EN 17713:2023-05 Plant biostimulants - Determination of Azospirillum spp.; German and English version prEN 17713:2023 / Note: Date of issue 2023-04-07*Intended as replacement for DIN CEN/TS 17713 (2022-07).
DIN CEN/TS 17709:2022-07 Plant biostimulants - Determination of Azotobacter spp.; German version CEN/TS 17709:2022
DIN EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen; German version EN 16169:2012
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 16169:2012-11 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen; German version EN 16169:2012
DIN ISO 14238:2011 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO/DIS 14238:2011)
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 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

GOSTR

GOST R 57643-2017 Microbiological products. Bacterial fertilizer nitragin. Specifications

ES-UNE

UNE-CEN/TS 17713:2022 Plant biostimulants - Determination of Azospirillum spp. (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp. (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)
UNE-EN 16169:2012 Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen (Endorsed by AENOR in October of 2012.)
UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

GSO

GSO ISO 3188:2015 Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Titrimetric method
GSO ISO 5378:2015 Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Spectrophotometric method
GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)

CEN - European Committee for Standardization

PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods

RU-GOST R

GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
GOST ISO 14238-2014 Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST 20851.2-1975 Mineral fertilizers. Methods for determination of phosphates
GOST 28743-1990 Coal. Determination of nitrogen. Semi-micro Kjeldahl method
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 28743-1993 Solid mineral fuel. Methods for determination of nitrogen
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content

AENOR

UNE-EN ISO 3188:1995 STARCHES AND DERIVED PRODUCTS. DETERMINATION OF NITROGEN CONTENT BY THE KJELDAHL METHOD. TITRIMETRIC METHOD. (ISO 3188:1978).

International Organization for Standardization (ISO)

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

American Society for Testing and Materials (ASTM)

ASTM E1566-00(2019) Standard Guide for Handling Hazardous Biological Materials in Liquid Nitrogen

IT-UNI

UNI 7340-1974 Solid mineral dyes and derived dyes. Humidity measurement. Nitrogen flow direct gravimetric analysis

BR-ABNT

ABNT MB-1133-1979 Use the Devada aluminum-copper-zinc alloy test method to detect nitrogen and ammonia-containing nitrogen compounds in fertilizers

CZ-CSN

CSN 65 4833-1982 Minerál Fertilizers Determination of Nitrie Nitrogen by Titrimetric Method

GOST

GOST R 50255-1992 Solid mineral fuels. Methods for the determination of nitrogen

Canadian Standards Association (CSA)

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