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1985•Analytical LettersRequires access

New Simultaneous Catalytic Determination of Thiocyanate and Iodide by Flow Injection Analysis

Akira Tanaka, Masumi Miyazaki, Toshio Deguchi

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Abstract

Flow injection analysis (FIA) with a double injection technique was applied to catalytic determination of thiocyanate and iodide in the redox reaction between cerium (IV) and arsenic (III). Selective inactivation of the catalytic activity of thiocyanate was investigated. Amounts of only iodide and amounts of both thiocyanate and iodide were simultaneously determined by the FIA. Detection limits of the method were 0.2 ppm SCN− and 0.1 ppm I−.

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What this paper is about

Flow injection analysis (FIA) with a double injection technique was applied to catalytic determination of thiocyanate and iodide in the redox reaction between cerium (IV) and arsenic (III). Selective inactivation of the catalytic activity of thiocyanate was investigated. Amounts of only iodide and amounts of both thiocyanate and iodide were simultaneously determined by the FIA. Detection limits of the method were 0.2 ppm SCN− and 0.1 ppm I−.

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Available abstract

Flow injection analysis (FIA) with a double injection technique was applied to catalytic determination of thiocyanate and iodide in the redox reaction between cerium (IV) and arsenic (III). Selective inactivation of the catalytic activity of thiocyanate was investigated. Amounts of only iodide and amounts of both thiocyanate and iodide were simultaneously determined by the FIA. Detection limits of the method were 0.2 ppm SCN− and 0.1 ppm I−.

Key concepts: Thiocyanate, Chemistry, Iodide, Flow injection analysis, Catalysis, Cerium, Inorganic chemistry, Redox

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