Investigation of extraction and back-extraction behaviour of platinum(IV) with rubeanic acid in tributyl phosphate, with tributyl phosphate and with thenoyltrifuoroacetone in n-butyl alcohol-acetophenone by means of platinum-191 radiotracer for platinum-enrichment purposes
✍ Scribed by M. Parent; R. Cornelis; R. Dams; F. Alt
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 671 KB
- Volume
- 281
- Category
- Article
- ISSN
- 0003-2670
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✦ Synopsis
Ahstraet Using 191Pt radiotracer, the liquid-liquid extraction behaviour of Pt(IV) from HCl medium with rubeanic acid in tributyl phosphate (TBP), with triiutyl phosphate and with thenoyltrifluoroacetone (TPA) in n-butyl alcohol-acetophenone was examined. The effects of acidity, shaking time and Pt concentration were studied, in addition to the subsequent back-extmction. Optimum extraction recoveries were found when using 3. M HCl for TBP and 4 M HCl for TPA. Ammonia solution (2 MI yielded the best recovery for back-extraction. In order to evaluate the procedure in the presence of a matrix, some biological and environmental materials were spiked with 19tPt and the recovery of the radiotracer in the different steps was investigated.