Determination method of soil ammonium nitrogen
Determination method of soil ammonium nitrogen, Total:16 items.
The international standard classification for "Determination method of soil ammonium nitrogen" includes: Soil quality. Pedology .
The Chinese standard classification for "Determination method of soil ammonium nitrogen" includes: Soil and fertilizer in general .
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
Professional Standard - Forestry
- LY/T 1231-1999 Determination of ammonium nitrogen in forest soil
Jilin Provincial Standard of the People's Republic of China
- 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
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/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
Tianjin Provincial Standard of the People's Republic of China
- DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
Gosstandart of Russia
- GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
Korean Agency for Technology and Standards (KATS)
- 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
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
Swedish Institute for Standards
- 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
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
Spanish Association for Standardization (UNE)
- 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.
German Institute for Standardization
- 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)
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