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关于用二烷基氨二硫代羧酸(R_2N-CSSH)萃取溶液中金属离子的报导甚多。有关用来螫合金属离子的、含有氨二硫代羧酸功能基的螯合树脂的报导虽也有些,但
There are a lot of reports on the extraction of metal ions in solution by dialkylaminodithiocarboxylic acid (R_2N-CSSH). There are some reports about chelating resins containing aminodithiocarboxylic acid functional groups that are used to bind metal ions