OS GSO ISO 14256-2:2014 土壤質量 用氯化鉀溶液萃取測定田間潮濕土壤中的硝酸鹽、亞硝酸鹽和銨 第2部分:分段流分析自動化方法
Soil quality - Determination of nitrate, nitrite and ammonium in field moist soils by extraction with potassium chloride solution - Part 2: Automated method with segmented flow analysis