SEPARATION OF PROTACTINIUM FROM OTHER ELEMENTS BY EXTRACTION WITH THENOYL- TRIFLUOROACETONE (in Russian)
Journal Article
·
· Zh. Analit. Khim.
OSTI ID:4704278
A study was made of Pa extraction with a 0.5 M solution of TTA in benzene from HCl, HNO/sub 3/, and H/sub 2/SO/sub 4/ solutions. It was found that Pa can be purified from Fe, Zr, Nb, U, Th, rare earths, and radioactive impurities of Bi, Po, and Th by Pa extraction from a solution 6 N in respect to HCl and 0.2 M in respect to H/sub 2/C/sub 2/O/sub 4/ and by its back extraction into the aqueous phase with a 0.25 M solution of oxalic acid. The effect of a number of elements on the extractionphotometric determination of Pa with TTA was also studied. It was established that large amounts of Fe/sup 2+/, Zr, Nb, Mn/ sup 2+/, Al, U/sup VI/, Th, and other elements do not interfere with Pa determination. (auth)
- Research Organization:
- Vernadskii Inst. of Geochemistry and Analytical Chemistry, Moscow
- NSA Number:
- NSA-17-030498
- OSTI ID:
- 4704278
- Journal Information:
- Zh. Analit. Khim., Journal Name: Zh. Analit. Khim. Vol. Vol: 18
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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