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shui zhong lv li zi ce ding shi gan rao wu de xiao chu
Author(s): 
Pages: 27-30
Year: Issue:  2
Journal: Environmental Protection of Oil & Gas Fields

Keyword:  废水氯化物[环]测定干扰消除[环];
Abstract: 用硝酸银滴定法测定水中氯离子时,存在S2-、SO32-、S2O32-的干扰,原用H2O2消除干扰,但滴定到达终点后,颜色不太稳定,为此,我们采用过硫酸钾氧化法进行消除干扰的试验。实践证明,该方法对消除上述干扰物是可行的,对测定石油勘探开发废水中氯离子时消除干扰是适用的。
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