ISO 14255-1998 土壤质量 用氯化钙溶液做提取剂测定风干土壤中的硝酸盐氮、铵氮和总溶解氮

标准号：ISO 14255-1998
中文标准名称：土壤质量 用氯化钙溶液做提取剂测定风干土壤中的硝酸盐氮、铵氮和总溶解氮
英文标准名称：Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
标准类型：Z18
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Z18
国际标准分类号：13.080.10
适用范围：This International Standard describes a method for the determination of soluble nitrogen fractions (nitrate, nitrite, ammonium and organic nitrogen) in a 0,01 mol/l calcium chloride extract of soil samples. It is applicable to air-dry soil samples, pretreated in accordance with ISO 11464.