Extractive-photometric Investigation of Cadmium Chelates of 4-(2-Thiazolylazo)-resorcinol (TAR)
- 15 January 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 49 (2) , 173-179
- https://doi.org/10.1139/v71-030
Abstract
A quantitative interpretation of the extractive distribution of cadmium chelates of TAR (= H2A) between liquid organic and water phases has been made and two groups of extractable species have been determined: (a) uncharged complexes of the type CdA in which co-ordinated water is replaced by suitable uncharged organic base (2,9-dimethyl-1,10-phenanthroline) and (b) charged complexes CdA22− which are extracted as ionic pairs in the presence of charged organic bases.The evaluation of the character of the bases and the effect of pH and the nature and concentration of other inorganic anions are presented.Keywords
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