DETERMINATION OF TRACE CHROMIUM(Ⅵ) IN WATER BY FLOW INJECTION ANALYSIS WITH AN AMPEROMETRIC DETECTOR

被引：0
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作者：
Li Yuxian
机构：
来源：
中国科学院大学学报 | 1989年 / 02期
基金：
美国国家科学基金会;
关键词：
Cr; DETERMINATION OF TRACE CHROMIUM; IN WATER BY FLOW INJECTION ANALYSIS WITH AN AMPEROMETRIC DETECTOR; VI; HCI; Figure; Lake; rate; SCE;
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学科分类号：
摘要：
A method for the determination of trace chromium(Ⅳ) in water by frow injection analysis with an amperometric detector has been developed. With a carrier solution of 1% NaCl and 0.1N HCl, chromium(Ⅵ) is determined in small sample volumes at a flow rate of 4.0mL/min, The applied potential is+100mV (vs. SCE). This method provides a detection limit of about 0.2μg/l, with a relative standard deviation of 1.6％. The method can be used for determination of chromium(Ⅵ) in natural water and industrial waste water.
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页码：86 / 91
页数：6
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