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本文研究了一个新合成的硫脲型螯合树脂对贵金属吸附性能。该树脂是将硫脲基因引入微孔型苯乙烯—二乙烯基苯共聚物中,该树脂对贵金属离子具有高度的吸附选择性,吸附pH范围宽,平衡速度快,吸附容量大。可用于矿石、陨石等复杂组份中痕量贵金属元素的分离富集,是中子活化分析法测定痕量贵金属元素的优良分离富集剂。
In this paper, a newly synthesized thiourea-type chelating resin on the adsorption of precious metals. The resin is a thiourea gene introduced into the microporous styrene-divinylbenzene copolymer, the resin has a high degree of adsorption of precious metal ions selectivity, adsorption pH range, equilibrium speed, adsorption capacity. It can be used for the separation and enrichment of trace precious metal elements in complex components such as ore and meteorite. It is an excellent separation and enrichment agent for the determination of trace precious metal elements by neutron activation analysis.