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    • 38. 发明授权
    • Method for recovering metal and kit for recovery of metal for use in the same
    • 金属回收方法及用于回收金属的试剂盒
    • US08765480B2
    • 2014-07-01
    • US13437279
    • 2012-04-02
    • Yuka Shimomura
    • Yuka Shimomura
    • G01N33/20G01N15/06G01N33/00C07C245/00C07C337/00C22B3/00C01G55/00C22B11/00B01D11/00B01F1/00
    • G01N33/20G01N1/4044G01N1/4055G01N33/84G01N2001/4061
    • A method for recovering a metal, capable of recovering a metal easily without requiring the use of an organic medium, is provided. A first complex between a first chelating agent and a metal present in a sample is formed in a first mixture prepared by mixing the first chelating agent and the sample. Then, the first complex is recovered from the first mixture, and a second complex between the metal derived from the first complex and a second chelating agent is formed in a second mixture prepared by mixing the first complex and an aqueous solution of the second chelating agent. The aqueous solution is under the pH conditions where the first chelating agent can be insoluble in the aqueous solution. Then, a liquid fraction containing the second complex is recovered from the second mixture. Thus, the metal can be recovered.
    • 提供一种能够容易地回收金属而不需要使用有机介质的金属的回收方法。 通过混合第一螯合剂和样品制备的第一混合物中形成第一螯合剂和样品中存在的金属之间的第一复合物。 然后,从第一混合物回收第一配合物,并且通过将第一配合物和第二螯合剂的水溶液混合制备的第二混合物中形成来自第一配合物的金属和第二螯合剂之间的第二配合物 。 水溶液处于第一螯合剂可溶于水溶液的pH条件下。 然后,从第二混合物中回收含有第二配合物的液体馏分。 因此,可以回收金属。