2008•Chinese Journal of Spectroscopy LaboratoryRequires access

Simultaneous Determination of Benzoic Acid and Sorbic Acid in Drink by HPLC

Jing Li

Abstract

The additives in drink sample was determined simultaneously,by high pressure liquid chromatography(HPLC) with external standard curve.The linear range of method is in the range of 0.5—20.0μg/mL,r=0.9985,r=0.9990,and detection limit is 0.44μg/mL,0.32μg/mL.The recovery is 76.3%—105.4%.The relative standard deviation is 1.27%—7.67%.The method is accurate,and sensitive,and meet the requirements for the aquatic product analysis.

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Key concepts: Sorbic acid, Chromatography, Detection limit, High-performance liquid chromatography, Relative standard deviation, Benzoic acid, Chemistry, Linear range