标准摘要
[中文适用范围]： 规定了三价负氮的测定程序。 叠氮化物、吖嗪、偶氮、腙、亚硝酸盐、硝基、亚硝基、肟或缩氨基脲形式的有机氮未定量测定。 该程序适用于原水、饮用水和废水的分析。 [外文原描述]： Specifies a procedure for the determination of trivalent negative nitrogen. Organic nitrogen in the form of azide, azine, azo, hydrazone, nitrite, nitro, nitroso, oxime or semicarbazone is not determined quantitatively. The procedure is applicable to the analysis of raw, potable and waste waters.
英文名称Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium