Extraction characteristics of pertechnetate with tetraphenylarsonium in the presence of chloride,nitrate and perchlorate anions |
| |
Authors: | R Kopunec F N Abudeab I Makaiova |
| |
Institution: | (1) Department of Nuclear Chemistry, Faculty of Natural Sciences, Comenius University, 842 15 Bratislava, (Slovak Republic);(2) Clinic of Nuclear Medicine, National Institute of Oncology, 812 50 Bratislava, (Slovak Republic) |
| |
Abstract: | Selected extraction systems of TcO
4
–
–(H,Na)A–H2O/R(TcO4,A)–CHCl3, C6H5NO2 type, where A=Cl–, NO
3
–
, ClO
4
–
, R=(C6H5)4As+, were studied. The solvent extraction of sub- and super-stoichiometric ratio of TcR was performed. The solubility of (C6H5)4AsTcO4 in water, chloroform and nitrobenzene were determined too. The results of the extractions are presented in the form of TcO
4
–
distribution dependencies on the phase composition and the extraction constants of individual TcO
4
–
, Cl–, NO
3
–
, ClO
4
–
anions and TcO
4
–
-Cl–, TcO
4
–
–NO
3
–
, TcO
4
–
–ClO
4
–
ion pairs. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|