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DEDetermination of nitrogen in soil
Determination of nitrogen in soil, Total:61 items.
In the international standard classification, Determination of nitrogen in soil involves: Soil quality. Pedology, Farming and forestry, Fertilizers, Construction materials, Coals.
Ningxia Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
Professional Standard - Agriculture, Determination of nitrogen in soil
- 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)
Tianjin Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
Indonesia Standards, Determination of nitrogen in soil
RU-GOST R, Determination of nitrogen in soil
- GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
- GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
- GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
Professional Standard - Forestry, Determination of nitrogen in soil
Sichuan Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
Hebei Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
GSO, Determination of nitrogen in soil
- 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
- 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 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
Korean Agency for Technology and Standards (KATS), Determination of nitrogen in soil
- 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 11261-2021 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 14255:2009 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 14255-2023 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(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
GOSTR, Determination of nitrogen in soil
International Organization for Standardization (ISO), Determination of nitrogen in soil
- 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
AENOR, Determination of nitrogen in soil
- 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.
RO-ASRO, Determination of nitrogen in soil
Group Standards of the People's Republic of China, Determination of nitrogen in soil
Jilin Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
- 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
Xinjiang Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
British Standards Institution (BSI), Determination of nitrogen in soil
- BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
- BS EN ISO 23753-2:2011 Soil quality. Determination of dehydrogenase activity in soils. Method using iodotetrazolium chloride (INT)
Hubei Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
- DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry
Association Francaise de Normalisation, Determination of nitrogen in soil
German Institute for Standardization, Determination of nitrogen in soil
- 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 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)
Professional Standard - Environmental Protection, Determination of nitrogen in soil
- HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method
KR-KS, Determination of nitrogen in soil
- 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
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of nitrogen in soil
- 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 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
- GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental method
Shandong Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
Shanxi Provincial Standard of the People's Republic of China, Determination of nitrogen in soil
- DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration
VN-TCVN, Determination of nitrogen in soil
- 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
AT-ON, Determination of nitrogen in soil
- ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method
SCC, Determination of nitrogen in soil
- DANSK DS/EN 13654-1:2001 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
Danish Standards Foundation, Determination of nitrogen in soil
- DS/EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
European Committee for Standardization (CEN), Determination of nitrogen in soil
- CEN EN 13654-1-2001 Soil Improvers and Growing Media - Determination of Nitrogen - Part 1: Modified Kjeldahl Method