文档介绍：水质***化物的测定
容量法和分光光度法
Water quality—Determination of Cyanide Volumetric and Spectrophotometry method
(发布稿)
本电子版为发布稿。请以中国环境科学出版社出版的正式标准文本为准。
2009-09-27 发布 2009-11-01 实施
环境保护部发布
目次
前言....................................................................II 1 适用范围..................................................................1 2 术语和定义................................................................1 3 干扰及消除................................................................2
第一部分样品的采集与制备 4 方法原理.................................................................2 5试剂和材料.................................................................2 6仪器和设备.................................................................3 7样品的采集和保存.........................................................4 8样品的制备................................................................4
第二部分样品分析方法方法1 ***银滴定法 9 适用范围..................................................................6 10 方法原理.................................................................6 11 试剂和材料...............................................................612 仪器和设备...............................................................713 分析步骤..................................................................714 结果计算.................................................................7 15 精密度和准确度..........................................................8
方法2 异烟酸-吡唑啉***分光光度法 16 适用范围..................................................................817
方法原理.................................................................8 18 试剂和材料...............................................................819 仪器和设备..............................................................1020 分析步骤................................................................1121 结果计算.................................................................1122 精密度和准确度.........................................................12
方法3 异烟酸—巴比妥酸分光光度法 23 适用范围..........................................................