BH GSO ISO 14256-2:2016 土壤质量 用氯化钾溶液萃取测定田间潮湿土壤中的硝酸盐、亚硝酸盐和铵 第2部分:分段流分析自动化方法
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