Determination of Traces of Ag and Bi in Drainage Deposit by Chromatographic Separation with Sulphydryi cotton
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The ion exchange behavior of silver and bismuth ions on sulphydryi cotton was studied. Ag+ and bi3+ were adsorbed from HNO3 solution and eluted easily with 3 ml of 6 N-HCL.The detection limits were estimated to be 0.003 μg for Ag,0.007 μg for Bi. The relative standard deviations of Ag (0.04 μg) and Bi (0.26μg)were about 6.94 and 13.1% respectively (n=15).
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李守根,黄荟萍, 1985. 巯基棉色谱分离发射光谱法测定水系沉积物中的痕量银和鉍[J]. 岩石矿物学杂志, 4(3):270~272. , 1985. Determination of Traces of Ag and Bi in Drainage Deposit by Chromatographic Separation with Sulphydryi cotton[J]. Acta Petrologica et Mineralogica, 4(3): 270~272.
