B. Jain, J. Singh
Sep 1, 1961
Citations
0
Influential Citations
7
Citations
Journal
Talanta
Abstract
Abstract Diammonium-5,5'-indigo disulphonate forms insoluble complexes with many cation Its use for the gravimetric determination of thorium and ceriumIII, and their separation from uraniumVI has been investigated. Thorium and ceriumIII are quantitatively precipitated within the pH range of 3·5 to 4·5 and 3·0 to 6·0 respectively, while uranium does not form any insoluble complex at this pH The precipitate obtained in each case is ignited to the corresponding oxide and weighed.