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Chemcial Industry and Engineering 2009, Vol. 26 Issue (2) :155-157    DOI:
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Analysis of Trace Arsenic in Copper Sulfate
BAO Hong-wei,CHEN Chun-lin,LI Yan,ZHANG Xu(Faculty of Materials and Metallurgical Engineering,Kunming University of Science and Technology,Kunming 650093,Yunnan Province,China)
(Faculty of Materials and Metallurgical Engineering,Kunming University of Science and Technology,Kunming 650093,Yunnan Province,China

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Abstract The heating reaction of potassium thiocyanate and the ion of copper to produce copper thiocyanate precipitation,was used to isolate the matrix of copper,and molybdenum-blueness spetrophotometric method was chosen to determine the trace arsenic in copper sulfate sample.The experimental results show the relative standard deviation(RSD) is less than 3.6%.The required reagents of this method is common,and the the cost is low,the operation is easy,and no poisonous hydrogen arsenide is produced in the experiment.
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Received 2009-03-15; published 2009-03-15
Cite this article:   
BAO Hong-wei,CHEN Chun-lin,LI Yan,ZHANG Xu.Analysis of Trace Arsenic in Copper Sulfate[J]  Chemcial Industry and Engineering, 2009,V26(2): 155-157
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