Simultaneous determination of chloride, bromide and iodide in foodstuffs by low pressure ion-exchange chromatography with visible light detection

Lingyun Yu, Xinshen Zhang, Jing Jin, Shujuan Che and Lan Yu
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Lingyun Yu: Food Engineering, Sichuan University, Chengdu, Sichuan, P.R. China
Xinshen Zhang: Food Engineering, Sichuan University, Chengdu, Sichuan, P.R. China
Jing Jin: Technology Center of Sichuan Entry-Exit Inspection and Quarantine Bureau, Chengdu, P.R. China
Shujuan Che: Food Engineering, Sichuan University, Chengdu, Sichuan, P.R. China
Lan Yu: Food Engineering, Sichuan University, Chengdu, Sichuan, P.R. China

Czech Journal of Food Sciences, 2011, vol. 29, issue 6, 634-640

Abstract: An ion-exchange chromatography method with visible light detection was developed for the simultaneous determination of chloride, bromide, and iodide in foodstuffs. They were separated by means of low pressure ion-exchange chromatography using 4.0mM sodium carbonate solution as the eluent and a low pressure ion-exchange chromatography column as the separation column. The detection limits of chloride, bromide and iodide were 0.011 mg/l, 0.002 mg/l, and 0.023 mg/l, respectively. The relative standard deviations (RSDs) of the peak area were smaller than 2.9%. The recoveries were between 98.61% and 105.65%. Unlike the traditional methods, this validated method is inexpensive and stable.

Keywords: LPIEC; spectrophotometry; halide (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:29:y:2011:i:6:id:216-2009-cjfs

DOI: 10.17221/216/2009-CJFS

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