【摘要】 本文研究了VS-Ⅱ型强碱性阴离子交换纤维素的吸附性能,发现铂和铑在盐酸介质中易形成稳定的氯络阴离子,吸附于阴离子纤维素进行苗集,并与大部分贱金属元素分离。采用酸性硫脲作为淋洗剂,可以定量地洗脱纤维素上的铂和铑,而纤维素不被破坏,重新处理使用。本法对铂和铑的回收率分别为:95％～103％;92％～98％,线性范围0～100ng/ml。更多还原

【Abstract】 The adsorbent performance of VS- Ⅱ type anion exchange fibrin has been studied. The stable chlorocomplex anion of Pt and Rh can form easily in HCl medium, and be adsorbed on the fibrin to enrich, and be separated from many other base metals. When acidic thiourea is used as eluting agent, Pt and Rh can be recovered quantitatively. The fibrin can be retreated and reused easily. The recovery of Pt and Rh is 95%-103% and 92%-98%. respectively. The linear range is 0-100 ng/ml.更多还原