标准摘要
[中文适用范围]： 规定了土壤总氮（铵态氮、硝态氮、亚硝酸态氮和有机氮）含量的测定方法。 NN-键、NO-键和一些杂环化合物（尤其是吡啶）中的氮仅部分确定。 适用于所有类型的土壤。 [外文原描述]： Specifies a method for the determination of the total nitrogen (ammonium-N, nitrate-N, nitrite-N and organic N) content of a soil. Nitrogen in N-N-linkages, N-O-linkages and some heterocyclics (especially pyridine) is only partially determined. Applicable to all types of soils.
英文名称Soil quality — Determination of total nitrogen — Modified Kjeldahl method