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A kinetic spectrophotometric method for the determination of trace chromium(VI) with acid chrome blue K and potassium periodate

Long Jiao-lian

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Abstract

A new kinetic method for the determination of trace chromium(VI) was established based on the catalytic action of Cr(VI) on the oxidative fading reaction between acid chrome blue K and KIO4 in acid medium.The calibration graph is linear for 1.0~10.0μg /ml,and the detection limit is 4.14×10-8g /ml.The method is proposed for the determination of trace chromium in the electroplatic waste water with a satisfactory result.

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What this paper is about

A new kinetic method for the determination of trace chromium(VI) was established based on the catalytic action of Cr(VI) on the oxidative fading reaction between acid chrome blue K and KIO4 in acid medium.The calibration graph is linear for 1.0~10.0μg /ml,and the detection limit is 4.14×10-8g /ml.The method is proposed for the determination of trace chromium in the electroplatic waste water with a satisfactory result.

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Available abstract

A new kinetic method for the determination of trace chromium(VI) was established based on the catalytic action of Cr(VI) on the oxidative fading reaction between acid chrome blue K and KIO4 in acid medium.The calibration graph is linear for 1.0~10.0μg /ml,and the detection limit is 4.14×10-8g /ml.The method is proposed for the determination of trace chromium in the electroplatic waste water with a satisfactory result.

Key concepts: Potassium periodate, Chromium, Chemistry, Detection limit, Calibration curve, Periodate, Inorganic chemistry, Trace Amounts

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A kinetic spectrophotometric method for the determination of trace chromium(VI) with acid chrome blue K and potassium periodate — Research Paper | ScholarLens