Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Direct Complexometric Titration of Thallium(III) Using Iron(III)-Sulfosalicylate Complex as Metal Indicator
R. C. AggarwalA. K. Srivastava
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1966 Volume 39 Issue 10 Pages 2178-2180


The iron(III)-sulfosalicylate complex has been used as the indicator for the direct complexometric determination of thallium(III). This indicator permits the rapid and accurate determination of both micro and macro quantities of thallium(III). The titrations are best carried out at about pH 2.6. Most of the divalent cations, such as calcium, strontium, barium, magnesium, manganese and mercury, and trivalent cations, such as chromium and aluminum, do not interfere in the determination.

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