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Iodide-selective electrodes based on a mercury-triisobutylphosphine sulfide complex

✍ Scribed by Sylvia Daunert; Antonio Florido; Jordi Bricker; Wes Dunaway; Leonidas G. Bachas; Manuel Valiente

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 512 KB
Volume: 5
Category: Article
ISSN: 1040-0397
DOI: 10.1002/elan.1140050919

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Ion‐selective electrodes (ISEs) were developed by impregnating plasticized poly(vinyl chloride) membranes with a complex of triisobutylphosphine sulfide and Hg^2+^. The electrodes were selective for halides and thiocyanate, iodide being the preferred anion. The overall selectivity pattern of the electrodes was I^−^> SCN^−^ ≈︁ Br^−^ > Cl^−^ > No ≈︁ ClO > No ≈︁ SO. The electrodes were evaluated in both batch and flow‐injection modes.

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