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薛光. 二苯硫脲-甲基异丁酮泡塑富集液珠萃取比色法测定化探样品中的金银[J]. 岩矿测试, 1995, (1): 72-74.
引用本文: 薛光. 二苯硫脲-甲基异丁酮泡塑富集液珠萃取比色法测定化探样品中的金银[J]. 岩矿测试, 1995, (1): 72-74.
Determination of Trace Gold and Silver in Geochemical samples by Concentration with Diphenyl thiourea-MIBK Loaded Foam and Liquid Beads Extraction Colorimetry[J]. Rock and Mineral Analysis, 1995, (1): 72-74.
Citation: Determination of Trace Gold and Silver in Geochemical samples by Concentration with Diphenyl thiourea-MIBK Loaded Foam and Liquid Beads Extraction Colorimetry[J]. Rock and Mineral Analysis, 1995, (1): 72-74.

二苯硫脲-甲基异丁酮泡塑富集液珠萃取比色法测定化探样品中的金银

Determination of Trace Gold and Silver in Geochemical samples by Concentration with Diphenyl thiourea-MIBK Loaded Foam and Liquid Beads Extraction Colorimetry

  • 摘要: 在10%HCI介质中,采用二苯硫脲(DPTU)-甲基异丁酮(MIBK)泡沫塑料富集,以金试剂液珠萃取比色法测定了化探样品中的Au和Ag。方法的检出限:Au0.5×10 ̄-9;As5×10 ̄-9(10g称样)。利用此方法制备了“野外快速分析箱”,可在野外简陋条件下进行现场测定。

     

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