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Ultraviolet-visible Spectrophotometric Determination of Permanganate Index of Surface Water and Groundwater
Author(s): WANG Yu-gong, GAO Yong-hong, WANG Jian-bo, CHEN Yue-yuan
Pages: 617-
620
Year: 2010
Issue:
5
Journal: Rock and Mineral Analysis
Keyword: 分光光度法; 高锰酸盐指数; 地表水; 地下水;
Abstract: 用分光光度法测定水中高锰酸盐指数.方法检出限为0.05mg/L.对实际水样进行连续5次测定,方法精密度为1.01%~1.20%,回收率为95.0%~100.5%.经国家标准容量法验证,结果与标准方法测定值相符.方法简便快速,灵敏度高,精密度好,试剂试样量少,成本低,适用于测定氯化物低于300mg/L、清洁或污染轻微的水样高锰酸盐指数的分析.
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