soil nitrite
soil nitrite, Total:4 items.
The international standard classification for "soil nitrite" includes: Soil quality. Pedology .
The Chinese standard classification for "soil nitrite" includes: Soil and fertilizer in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
- 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
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
Professional Standard - Environmental Protection
- HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
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