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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 7, Number 1
JKCSEZ 7(1)
February 20, 1963 

 
Title
The Extraction of Nb from Nitric Acid Solution by Mixture of Tributylphosphate(TBP) and Dibutylphosphate(DBP)
Author
Yung Kook Kim
Keywords
Abstract
Nb is one of the trouble-some fission products in the reprocessing of nuclear fuels. In this paper, the extraction of Nb from 1, 2, 3, 4, 6 and 9N HNO3 solution by mixtures of TBP and DBP in dodecane are reported. Sums of the concentration of TBP and DBP are kept to 20%. When the concentrations of DBP are lower the 2×10-2%, distribution ratios are almost same, and ratios increase abruptly and the slope is about 2.5 at between 2×10-2 to 4×101%, then slope falls down to about 0.5. There is aging effect on mixture of TBP and DBP.
Page
38 - 41
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