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Title
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Thallium(I)-Selective Membrane Potentiometric Sensor Based on Dibenzyldiaza-18-Crown-6
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Type
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JournalPaper
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Keywords
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Thallium ion-selective electrode, PVC membrane, Potentiometry
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Abstract
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A new thallium(I) selective electrode based on dibenzyldiaza-18-crown-6 as membrane carrier was successfully prepared. The electrode exhibits a near-Nernstian response for Tl+ ions over a wide concentration range from 1.0 ´ 10-5-1.0 ´ 10-1 M at 25 oC, and was found to be selective, precise and useable within the pH range 4.0-11.0. The electrode was successfully used as an indicator electrode in potentiometric titration of thallium ions.
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Researchers
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Abdollah Salimi (Third Researcher), S. Sareati (Second Researcher), gholamreza khayatian (First Researcher)
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