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《Journal of University of Science and Technology Beijing》 1988-03
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Determination of Micro Amount of Gallium by Cathodic Stripping Voltammetry

Yu Zhanlin, Huang Zhifang  
Gallium forming a chalete compound with morin at pH 5 adsorbs on hanging mercury drop electrode and gives a sensitive reducing wave when scanned cathodically. In this paper, the optimum conditions were sought, and the interference of co-existing ions is investigated. Its peak current is proportional to the concentration of gallium in the range of 1-120 ppb; the limit of detection is 0.3ppb. The proposed procedure is applied to the determination of galliumin in steels, iron, ores and slags in Pan Zhi Hui Steel and Iron Plant.
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