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Comparison between Flow Injection Analysis Method and Spectrophotography in the Determination of Chromium(Ⅵ)in Drinking Water
Author(s): 
Pages: 1256-1257
Year: Issue:  13
Journal: OCCUPATION AND HEALTH

Keyword:  水中六价铬流动注射分析法二苯碳酰二肼分光光度法;
Abstract: 目的 运用流动注射分析法及二苯碳酰二肼分光光度法对生活饮用水中六价铬进行测定,比较它们结果差异是否存在有统计学意义.方法 对20份水分别用流动注射仪分析法和二苯碳酰二肼分光光度法测定其六价铬的含量.运用卫生统计学,检验配对设计中的差值均数与总体均数,对2种方法的检测结果进行分析比较.结果 当检验水平α=0.20,并运用双侧检验时,(P<0.20),样品信息支持无效假设H0.结论 在一定的条件下,应用流动注射法测定水中六价铬与用二苯碳酰二肼分光光度法得到的结果差异无统计学意义,是可以推荐的方法.
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