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In this study, palladium (II), platinum (IV), rhodium (III) and iridium (IV) were sequentially separated with 1-hexyl-3-methylimidazole-2-thione (HMImT) from aqueous hydrochloric acid media by adjustment of hydrochloric acid concentration or in the presence of tin (II) chloride using environmental-friendly microextraction method. It is the first time to use sole extractant to selectively separate...
The E–pH diagram for the Co–Sb–H 2 O system indicates that antimony and cobalt combine to form an inter-metallic compound that enhances the thermodynamic driving force of removal of cobalt from zinc electrolyte solution by cementation with zinc powder. The results of scanning electron microscopy and X-ray diffraction show that antimony exists in the same form as nickel and cobalt which suggests...
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