The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 1989
Filed:
Jul. 12, 1988
Gabriella Schmuckler, Haifa, IL;
Abstract
A method for the interseparation of platinum-group noble metals (PGMs) from a gold-free halide solution using at least one chromatographic column. The solution is passed through a column containing a solid absorbent having a Kd above 1 whereby the PGMs are absorbed. The loaded absorbent is eluted by a halide salt solution obtaining thereby well-spaced fractions, each containing only one single noble metal, coming out in the order: Ru, Rh, Pd, Pt, Ir and Cs. When gold is present with the PGMs, its prior removal is required by an additional chromatographic column containing an absorbent based on polystyrene divinyl.
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