Issue 9, 1988

Spectrophotometric determination of trace amounts of tellurium(IV) with tetramethylthiourea

Abstract

A spectrophotometric method for the determination of trace amounts of tellurium(IV) in dilute hydrochloric acid is described. Concentrations of between 0.2 and 7 µg ml–1 of tellurium(IV) in the final solution can be determined by measuring the absorbance at 382 nm of the complex formed by the reaction of tellurium(IV) with tetramethylthiourea (ε= 2.14 × 104 l mol–1 cm–1). The method is simple, reliable and sensitive. Those foreign ions that interfere in the determination of tellurium(IV) are bismuth(III), selenium(IV), iron(III) and copper(II).

Article information

Article type
Paper

Analyst, 1988,113, 1473-1475

Spectrophotometric determination of trace amounts of tellurium(IV) with tetramethylthiourea

E. A. Terpinski, Analyst, 1988, 113, 1473 DOI: 10.1039/AN9881301473

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