首页>
外国专利>
METHOD OF SEPARATING PLATINUM (II, IV) AND RHODIUM (III) IN AQUEOUS CHLORIDE SOLUTIONS
METHOD OF SEPARATING PLATINUM (II, IV) AND RHODIUM (III) IN AQUEOUS CHLORIDE SOLUTIONS
展开▼
机译:在氯化物水溶液中分离铂(II,IV)和铑(III)的方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
FIELD: chemistry.;SUBSTANCE: method involves sorption of platinum (II, IV) and rhodium (III) through contact of the solution with a strongly basic anionite and then desorption from the anionite. Sorption is carried out from freshly prepared and held solutions on a Purolite A-500 anionite, containing a quaternary ammonium base as a functional group. Desorption from the anionite is carried out in two steps: at the first step - 24 hours after contact with 2M NH4SCN solution or 2M KNO3 solution to extract platinum. At the second step - after a further 24 hours with 2M HCl solution or 1M thiourea solution in 2M H2SO4 solution to extract rhodium.;EFFECT: simple and cheap method of separating platinum and rhodium, and possibility of realising the method not only in freshly prepared, but chloride solutions held for some time; the method is environmentally safe.;1 dwg, 3 tbl, 4 ex
展开▼
机译:领域:化学;物质:方法涉及通过使溶液与强碱性阴离子交换剂接触来吸附铂(II,IV)和铑(III),然后从阴离子交换剂中解吸。从新制备和保存的溶液在Purolite A-500阴离子盐上进行吸附,该阴离子盐含有季铵盐碱作为官能团。从阴离子交换剂上解吸有两个步骤:第一步-与2M NH 4 Sub> SCN溶液或2M KNO 3 Sub>溶液接触24小时以提取铂。第二步-在2M H 2 Sub> SO 4 Sub>溶液中用2M HCl溶液或1M硫脲溶液再干燥24小时后,提取铑。分离铂和铑的方法,不仅可以在新鲜制备的方法中实现,而且可以在氯化物溶液中保存一段时间来实现。该方法对环境安全。; 1 dwg,3 tbl,4 ex
展开▼