Countercurrent extraction separation of some platinum group metals. part II

✍ Scribed by Eugene W. Berg; Eugene Y. Lau

• Publisher: Elsevier Science
• Year: 1962
• Tongue: English
• Weight: 385 KB
• Volume: 27
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/s0003-2670(00)88490-1

✦ Synopsis

The purpose of this work was to develop further the separation of the platinum group metals by countercurrent extraction first reported by BERG AND SENN'~~. 'The earlier work dealing with the extractive separation of the chloro-compleses of platinum and palladium, platinum and rhodium, and rhodium and iridium clearly demonstrated the ability of countercurrent extraction techniques to separate metals with a very limited number of equilibrium stages.

This present study reports on the extractivc separation of several platinum group metals in the form of thiocyanate complexes. The complexes are partitioned between acicl thiocyanate solutions-and normal tributylphosphte. EXPERIMENTAL A Beckman Model DK spectrophotometer with matching the analysis of the platinum group metals. The countercurrent distribution apparatus was a device CRAIG ANDPQST~. Reagents silica cells was used for based on the design of