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Study on Cr(VI)-potassiumbromate-ethyl violet system of determination trace Cr(VI) and its analytical application

Qiu Hui

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Abstract

A new catalytic kinetics spectrophtometry of determination trace amounts chromium(Ⅵ) is built,which is based on catalytic effect of chromium(Ⅵ) by indicating fadeness reaction of potassium bmmate oxidation ethyl violet.This method is of linear rang 0.004～0.094 μg/mL and determination limit 1×10~ -9 g/mL.I’t can be used to detect trace amounts chromium(Ⅵ) in water.

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What this paper is about

A new catalytic kinetics spectrophtometry of determination trace amounts chromium(Ⅵ) is built,which is based on catalytic effect of chromium(Ⅵ) by indicating fadeness reaction of potassium bmmate oxidation ethyl violet.This method is of linear rang 0.004～0.094 μg/mL and determination limit 1×10~ -9 g/mL.I’t can be used to detect trace amounts chromium(Ⅵ) in water.

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Available abstract

A new catalytic kinetics spectrophtometry of determination trace amounts chromium(Ⅵ) is built,which is based on catalytic effect of chromium(Ⅵ) by indicating fadeness reaction of potassium bmmate oxidation ethyl violet.This method is of linear rang 0.004～0.094 μg/mL and determination limit 1×10~ -9 g/mL.I’t can be used to detect trace amounts chromium(Ⅵ) in water.

Key concepts: Chromium, Chemistry, TRACE (psycholinguistics), Detection limit, Catalysis, Kinetics, Nuclear chemistry, Chromatography

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Study on Cr(VI)-potassiumbromate-ethyl violet system of determination trace Cr(VI) and its analytical application — Research Paper | ScholarLens