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Spektrophotometrische Bestimmung von Tantal(V) mit 8-Hydroxychinolin-5-sulfonsäure

Spectrophotometric determination of tantalum(V) with 8-hydroxyquinoline-5-sulphonic acid

  • Anorganische, Struktur- und Physikalische Chemie
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Abstract

The formation of a yellow complex by the reaction between Ta(V) and 8-hydroxyquinoline-5-sulphonic acid (HQSA), has been studied spectrophotometrically in aqueous medium. At pH 6.5 the complex shows the maximum absorbance at 420 nm. TheBeer's law is obeyed by the system within the concentration range of 1 mg to 6 mg per millilitre of Ta(V).

The stoichiometry of the complex determined by the mole ratio andJob's method is 1∶2 metal-ligand. The effect of ionic strength and temperature on chelate has been studied. The interference by various ions in the system and a probable structure of the complex are also suggested.

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Authors and Affiliations

  1. Department of Chemistry, Rajasthan University, IND-302004, Jaipur, India

    Yogendu Sharma &  G. C. Shivahare

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  1. Yogendu Sharma
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  2. G. C. Shivahare
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Sharma, Y., Shivahare, G.C. Spektrophotometrische Bestimmung von Tantal(V) mit 8-Hydroxychinolin-5-sulfonsäure. Monatshefte für Chemie 106, 695–699 (1975). https://doi.org/10.1007/BF00902174

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  • DOI: https://doi.org/10.1007/BF00902174

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