Coated-wire ion-selective electrode for
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J.A. Ortuño; T. Pérez Ruiz; C. Sánchez-Pedreño
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Article
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1986
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Elsevier Science
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English
⚖ 260 KB
A coated-wire gold(III)-selective electrode based on the 1,2,4,6tetraphenylpyridinium tetrachloroaurate(II1) ion-pair is described. The response is Nernstian in the gold concentration range lo-'-3 X 10d (slope 59.0 mV/pAu). Of the 22 ions tested, only the interference of thallium(II1) is important.