GSO ISO 14256-2:2014 土壤质量 用氯化钾溶液萃取测定潮湿沙地中的硝酸盐、亚硝酸盐和氨氮 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
This part of ISO 14256 describes an automated method for the determination of nitrate, nitrite and ammonium in a 1 mol/l potassium chloride extract of field-moist soil samples. This part of ISO 14256 is applicable to all types of soils homogenized by suitable methods.