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Abstract

NOVEL SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF TH(IV) USING 2,4 - DMBINH

Dr. M. Madhu Smitha, Dr. T. R. Kishore* and Dr. V. Suryanarayana Rao

ABSTRACT

A simple, selective and accurate method was proposed for the determination of Th(IV) in microgram quantities using 2,4-DMBINH. The 2,4-DMBINH give a yellow coloured solution in basic medium with Th(IV). The maximum absorbance is at 398.4 nm. The reagent forms a 1:1 complex with Th(IV). This stability constant of the complex is 3.3x106.

Keywords: Spectrophotometric method, 2,4-DMBINH and Th(IV).


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