Soil total nitrogen and total nitrogen

Soil total nitrogen and total nitrogen, Total:88 items.

The international standard classification for "Soil total nitrogen and total nitrogen" includes: Soil quality. Pedology , Soil quality and pedology in general , Protection against dangerous goods .

The Chinese standard classification for "Soil total nitrogen and total nitrogen" includes: Soil and fertilizer in general , Analysis methods for environmental quality of soils , Marking, packaging, transport and storage in general .

Professional Standard - Agriculture

NY/T 1121.24-2012 Soil Testing - Part 24: Determination of Total Nitrogen in Soil - Automatic Kjeldahl Apparatus Method
NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
NY/T 30-1986 Determination of rare earth oxide content in soil - Chlorophonazo - P - Hippuric acid photometric method

Professional Standard - Forestry

LY/T 1231-1999 Determination of ammonium nitrogen in forest soil
LY/T 1230-1999 Determination of nitrate nitrogen in forest soil
LY/T 1228-1999 Determination of total nitrogen in forest soil
LY/T 1228-2015 Nitrogen determination methods of forest soils
LY/T 1229-1999 Determination of hydrolyzable nitrogen in forest soil

Professional Standard - Environmental Protection

HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
HJ 717-2014 Soil quality - Determination of total nitrogen - Modified Kjeldahl method

Hebei Provincial Standard of the People's Republic of China

DB13/T 843-2007 Soil Available Nitrogen Determination

Ningxia Provincial Standard of the People's Republic of China

DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method

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

GB/T 42487-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination using automated method with segmented flow analysis
GB 7173-1987 Method for the determination of soil total nitrogen (semi-micro Kjeldahl method)
GB/T 42490-2023 Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry
GB 6260-1986 Determination of rare earth oxide content in soil--Chlorophosphonazo-p-hippuric acid photometric method
GB/T 27854-2011 Chemicals—Soil microorganisms—Nitrogen transformation test
GB/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method

Sichuan Provincial Standard of the People's Republic of China

DB51/T 1875-2014 Determination of soil alkaline nitrogen

Tianjin Provincial Standard of the People's Republic of China

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
DB12/T 1270-2023 Determination of cracked nitrogen in soil

Xinjiang Provincial Standard of the People's Republic of China

DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

Group Standards of the People's Republic of China

T/NAIA 009-2020 Determination of soil microbial biomass nitrogen

Jilin Provincial Standard of the People's Republic of China

DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Hubei Provincial Standard of the People's Republic of China

DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

Shandong Provincial Standard of the People's Republic of China

DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography

Gosstandart of Russia

GOST R 58596-2019 Soils. Methods for determination of total nitrogen
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen

Swedish Institute for Standards

SS-ISO 11261:1996 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
SS-ISO 14255:1999 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
SS-ISO 13878:1999 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
SS-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

Korean Agency for Technology and Standards (KATS)

KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS I ISO 14255-2023 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 14255-2009(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 11261-2021 Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 14255-2009(2023) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 13878-2009(2023) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 13878-2023 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 13878-2009(2019) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

Indonesia Standards

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils

International Organization for Standardization (ISO)

ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")

Spanish Association for Standardization (UNE)

UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

GCC Standardization Organization

GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
GSO ISO 13878:2014 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")

Association Francaise de Normalisation

NF ISO 11261:1995 Soil quality - Total nitrogen dosage - Modified Kjeldahl method
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
OS GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method

German Institute for Standardization

DIN ISO 11261:1997-05 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
DIN ISO 14255:1998-11 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN ISO 13878:1998-11 Soil quality - Determination of total nitrogen content by dry combustion ('elemental analysis') (ISO 13878:1998)

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 11261:2017 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
BH GSO ISO 13878:2016 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")

British Standards Institution (BSI)

BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
20/30419338 DC BS EN ISO 20620. Fertilizers and soil conditioners. Determination of total nitrogen by combustion

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method

Bureau of Indian Standards

IS 14684-1999 Determination of Nitrogen and Nitrogenous Compounds in Soils

Austrian Standards

ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

National Standardisation Body (ASRO)

STAS 7184/2-1985 SOILS Nitrogen content determination

Standards Norway

NS-EN 16168:2012 Sludge, treated biowaste and soil — Determination of total nitrogen using dry combustion method

Danish Standards Foundation

DANSK DS/EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

Ente Nazionale Italiano di Unificazione

UNI EN 13654-1:2001 Soil improvers and growing media - Determination of nitrogen - Modified Kjeldahl method
EC 1-2023 UNI EN 13654-1:2001 Soil improvers and growing media - Determination of nitrogen - Modified Kjeldahl metho
UNI EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

Others: Soil Quality Total Nitrogen and Total Nitrogen,Soil total nitrogen and nitrate nitrogen,Soil total nitrogen and total nitrogen