Abstract
The sorption and complexing properties of styrene/maleic anhydride copolymer-based modified sorbent in relation to molybdenum(VI) have been studied and main quantitative characteristics of metal ion sorption have been defined. A sorbent containing p-phenylenediamine fragments has been proposed for selective extraction of molybdenum(VI) from solutions. Optimal sorption conditions are defined. The influence of various mineral acids (HClО4, H2SО4, HNО3, HCl) on molybdenum(VI) desorption from the sorbent has been studied. The experiment has revealed that maximum molybdenum(VI) desorption occurs in sulfuric acid. The molybdenum(VI) extraction rate in optimal conditions exceeds 95 %. Methods of sorption-photometric determination of molybdenum(VI) in sea water have been developed.
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