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Abstract：
A new catalytic spectrophotometric method for the determination of trace amount of Ag has been developed. The method is based on the catalytic effect of Ag( I ) on the oxidation of victoria blue with potassium persulfate in the presence of Triton X-100 as a solubilizing agent. The effect of the solution pH, the reagent concentration and interfering ions on reaction rate has been studied. The linear range of determination for silver is 0. 002∼0. 010 mg/L and 0. 010∼0. 080 mg/L. The detection limit is 8. 5×10-4mg/L and the relative standard deviation is 2. 1%. The method has been used to determine trace silver in photographic paper samples and the solubility product of silver chloride.
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Fenxi Huaxue
ISSN： 0253-3820
CN： 22-1125/O6
Year： 1996
Issue： 7
Volume： 24
Page： 758-759
1 . 2 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 0
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