Study on Cationic Surfactant as Sensitizer in Inhibitory Catalytic Kinetic Spectrophotometric Determination of Trace Nickel

Abstract

Abstract: A simple and sensitive kinetic spectrophotometric for determination the micro amounts of iodine were developed. The methods are based on the minus catalytic of activity nickel ion on the oxidation of neutral red by potassium periodate (KIO4) in HCl medium. Under the optimum experimental conditions, the linear range is 0～60μg/L, the detection limit is 3.71×10-7g/L. The method applied to the determination of trace nickel inenvironmental water samples obtained satisfactory results.

Key words: sensitizer, inhibitory, catalytic kinetic spectrophotometry, benzyl triethylammonium chloride (BTEAC), nickel, neutral red

WANG Xiao-Ju, GAI Yong-Sheng. Study on Cationic Surfactant as Sensitizer in Inhibitory Catalytic Kinetic Spectrophotometric Determination of Trace Nickel[J]. FOOD SCIENCE, 2007, 28(3): 271-273.

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Study on Cationic Surfactant as Sensitizer in Inhibitory Catalytic Kinetic Spectrophotometric Determination of Trace Nickel

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