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

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Listed:
  • Lingyun Yu

    (Food Engineering, Sichuan University, Chengdu, Sichuan, P.R. China
    Technology Center of Sichuan Entry-Exit Inspection and Quarantine Bureau, Chengdu, P.R. China)

  • Xinshen Zhang

    (Food Engineering, Sichuan University, Chengdu, Sichuan, P.R. China
    State Key Laboratory of Hydraulics and the Exploitation and Protection of Mountain Rivers, 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)

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.

Suggested Citation

  • Lingyun Yu & Xinshen Zhang & Jing Jin & Shujuan Che & Lan Yu, 2011. "Simultaneous determination of chloride, bromide and iodide in foodstuffs by low pressure ion-exchange chromatography with visible light detection," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 29(6), pages 634-640.
    • Handle: RePEc:caa:jnlcjf:v:29:y:2011:i:6:id:216-2009-cjfs
    DOI: 10.17221/216/2009-CJFS
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    Keywords

    LPIEC; spectrophotometry; halide;
    All these keywords.

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