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Soil total nitrogen and total nitrogen

Soil total nitrogen and total nitrogen, Total:73 items.

In the international standard classification, Soil total nitrogen and total nitrogen involves: Soil quality. Pedology, Farming and forestry, Construction materials, Fertilizers, Vocabularies.

GOSTR, Soil total nitrogen and total nitrogen

• GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Korean Agency for Technology and Standards (KATS), Soil total nitrogen and total nitrogen

• 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 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 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”)

Indonesia Standards, Soil total nitrogen and total nitrogen

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

International Organization for Standardization (ISO), Soil total nitrogen and total nitrogen

• 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")

AENOR, Soil total nitrogen and total nitrogen

• 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").

RU-GOST R, Soil total nitrogen and total nitrogen

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

Professional Standard - Agriculture, Soil total nitrogen and total nitrogen

• 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)
• GB 7173-1987 Determination of total nitrogen in soil (semi-micro Kelvin method)

GSO, Soil total nitrogen and total nitrogen

• 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
• 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
• GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
• 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")
• GSO ISO 13878:2014 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")

Association Francaise de Normalisation, Soil total nitrogen and total nitrogen

• 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")

Professional Standard - Forestry, Soil total nitrogen and total nitrogen

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

German Institute for Standardization, Soil total nitrogen and total nitrogen

• 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

British Standards Institution (BSI), Soil total nitrogen and total nitrogen

• 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

VN-TCVN, Soil total nitrogen and total nitrogen

• 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

KR-KS, Soil total nitrogen and total nitrogen

• 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”)

Hebei Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

• DB13/T 843-2007 Soil Available Nitrogen Determination

AT-ON, Soil total nitrogen and total nitrogen

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

Professional Standard - Environmental Protection, Soil total nitrogen and total nitrogen

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

Ningxia Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

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

RO-ASRO, Soil total nitrogen and total nitrogen

• STAS 7184/2-1985 SOILS Nitrogen content determination

Sichuan Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

• DB51/T 1875-2014 Determination of soil alkaline nitrogen

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Soil total nitrogen and total nitrogen

• GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
• GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
• GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry

Tianjin Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

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

Xinjiang Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

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

Group Standards of the People's Republic of China, Soil total nitrogen and total nitrogen

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

SCC, Soil total nitrogen and total nitrogen

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

Jilin Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

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

Hubei Provincial Standard of the People's Republic of China, Soil total nitrogen and total nitrogen

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

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