Oxidative fluorination of iridium metal for urban mining: Kinetic studies / B. V. Sakhnevich [et al.]

Set Level: 2405-6537, Resource-Efficient Technologies, electronic scientific journal / National Research Tomsk Polytechnic University (TPU) = 2015-Coauthor: Sakhnevich, B. V., Bogdan;Malin, A. V., chemical engineer, engineer of Tomsk Polytechnic University, 1992-, Artem Vladimirovich;Shagalov, V. V., chemist, associate professor of Tomsk Polytechnic University, Candidate of chemical sciences, 1982-, Vladimir Vladimirovich;Sobolev, V. I., Chemical Engineer, Engineer-designer of Tomsk Polytechnic University, 1989-, Vasily Igorevich;Ostvald, R. V., Chemical Engineer, Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences, 1980-, Roman Vyacheslavovich;Ivlev, S. I., Chemical Engineer, assistant Tomsk Polytechnic University, candidate of chemical Sciences, 1987-, Sergey IvanovichCorporate Author (Secondary): Национальный исследовательский Томский политехнический университет (ТПУ), Физико-технический институт (ФТИ), Кафедра химической технологии редких, рассеянных и радиоактивных элементов (№ 43) (ХТРЭ)Language: английский.Country: Россия.Abstract: The process of oxidative fluorination of a compact iridium metal has been studied. For this purpose, tetrafluoridobromates(III) of alkali and alkaline-earth metals were chosen as oxidizing agents with numerous advantages. The main results of this work include the kinetic dependencies for the two following processes: 1) interaction of iridium with molten potassium tetrafluoridobromate; and 2) interaction of iridium with a solution of potassium tetrafluoridobromate in liquid bromine trifluoride. In both cases it has been found out that iridium can be transformed into its soluble fluorinated derivative; the reaction with molten potassium tetrafluoridobromate proceeds almost 50 times faster (in comparison to the interaction in BrF3 solution) and can be potentially applied for the practical purposes..Bibliography: [References: p. 93 (15 tit.)].Subject: труды учёных ТПУ | электронный ресурс | иридий | фторирование | кинетика | щелочно-земельные металлы | окислители Online Resources:Click here to access online
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[References: p. 93 (15 tit.)]

The process of oxidative fluorination of a compact iridium metal has been studied. For this purpose, tetrafluoridobromates(III) of alkali and alkaline-earth metals were chosen as oxidizing agents with numerous advantages. The main results of this work include the kinetic dependencies for the two following processes: 1) interaction of iridium with molten potassium tetrafluoridobromate; and 2) interaction of iridium with a solution of potassium tetrafluoridobromate in liquid bromine trifluoride. In both cases it has been found out that iridium can be transformed into its soluble fluorinated derivative; the reaction with molten potassium tetrafluoridobromate proceeds almost 50 times faster (in comparison to the interaction in BrF3 solution) and can be potentially applied for the practical purposes.

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