现行 HJ/T 346-2007
水质 硝酸盐氮的测定 紫外分光光度法(试行) 水质 硝酸盐氮的测定 紫外分光光度法(试行) Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
发布日期:2007-03-10
实施日期:2007-05-01
分类信息
标准简介

本标准适用于地表水、地下水中硝酸盐氮的测定。方法最低检出浓度为0.08mg/L,测定下限为0.32mg/L,测定上限为4mg/L

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最后更新时间 2025-08-31