Differential Pulse Voltammetric Determination of Trace Indium in Rocks and Soils
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Abstract:
A differential puts ancxlic stripping peak of indium appeared at -0.52v (Vs Ag/AgCl) in a solution of 1.65N KBr -0. 05N HCL -0.02% NH2OH . HCL. Under this condition, In can be determination within the range 0.0004一O.O2µgml-1. The detection limit was 0.04 ppb. The presence of 30-fold excess of Cd and 100 -fold excess of Pd only causes negligible interference. The interference caused by other ions is prevented by the preliminary chromatographic separation.
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沈观略, 1985. 微分脉冲阳极溶出伏安法测定岩石和土壤中痕量铟[J]. 岩石矿物学杂志, 4(4):365~367. , 1985. Differential Pulse Voltammetric Determination of Trace Indium in Rocks and Soils[J]. Acta Petrologica et Mineralogica, 4(4): 365~367.
