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http://earchive.tpu.ru/handle/11683/50209
Title: | Oxidative fluorination of iridium metal for urban mining: Kinetic studies |
Authors: | Sakhnevich, Bogdan Malin, Artem Shagalov, Vladimir Vladimirovich Sobolev, Vasily Igorevich Ostvald, Roman Vyacheslavovich Ivlev, Sergey Ivanovich |
Keywords: | иридий; фторирование; кинетика; щелочно-земельные металлы; окислители |
Issue Date: | 2016 |
Publisher: | Томский политехнический университет |
Citation: | Oxidative fluorination of iridium metal for urban mining: Kinetic studies / B. V. Sakhnevich [et al.] // Resource-Efficient Technologies. — 2016. — Vol. 2, Iss. 2. — [P. 89-93]. |
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. |
URI: | http://earchive.tpu.ru/handle/11683/50209 |
ISSN: | 2405-6537 |
Appears in Collections: | Resource-Efficient Technologies |
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dx.doi.org-10.1016-j.reffit.2016.07.001.pdf | 828,84 kB | Adobe PDF | View/Open |
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