Studies of the Sorption of Palladium(II) Ions from Model Chloride Systems onto an Ion Exchanger Containing Isothiourea Groups and onto Weakly Basic Anion Exchangers of Various Types
作者： Z. Hubicki , M. Leszczyńska
关键词: Chloride 、 Sorption 、 Adsorption 、 Chemistry 、 Amberlite 、 Inorganic chemistry 、 Ion-exchange resin 、 Ion exchange 、 Noble metal 、 Palladium
摘要: The separation and determination of precious metals in minerals, alloys environmental samples is very difficult due to their low concentration under natural circumstances. However, despite such difficulties, there has been a rapid development chromatographic methods for noble metal ions. In the present work, laboratory studies selective removal palladium(II) ions from 0.1–6.0 M HCl, 0.1–0.9 HCl/0.9–0.1 HNO3, 1.0 AlCl3-0.1 HCl ZnCl2-0.1 onto various types ion exchangers have undertaken. this context, applicability exchanger Purolite S-920 weakly basic anion Amberlyst A-21, Amberlite IRA-67 IRA-93 were examined. sorption Pd(II) was undertaken by both dynamic static methods. working ion-exchange capacities as well weight bed distribution coefficients calculated breakthrough curves ex...
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