Home / Standards / GB/T 42485-2023 GB/T 42485-2023 Active Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提手工分析法 Standard Type GBT ICS 13.080 CCS B10 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 农业农村部 Drafting Unit N/A