Abstract
The article is devoted to the scientific problem of joint determination and separation of cobalt and molybdenum compounds in spent catalysts. For the joint extraction of cobalt and molybdenum from the solution in the form of their thiocyanate complexes, a common extractant, acetone, was introduced. A method for the colorimetric determination of these compounds in solutions is proposed. The concentration limits were determined at which the procedure for the joint determination of cobalt and molybdenum is performed. For cobalt - [0.1-2.0] g / l; for molybdenum - above 0.1 g / l. A method is proposed for the isolation of cobalt and molybdenum compounds with a change in the pH of the solution.
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