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  • Title: Application of ion-exchange cartridge clean-up in food analysis. I. Simultaneous determination of thiabendazole and imazalil in citrus fruit and banana using high-performance liquid chromatography with ultraviolet detection.
    Author: Ito Y, Ikai Y, Oka H, Hayakawa J, Kagami T.
    Journal: J Chromatogr A; 1998 Jun 12; 810(1-2):81-7. PubMed ID: 9691292.
    Abstract:
    A simple, rapid and reproducible analytical method for thiabendazole (TBZ) and imazalil (IMA) in citrus fruit and banana has been developed. The method involves the use of an ion-exchange cartridge for sample clean-up followed by ion-pair high-performance liquid chromatography with ultraviolet detection. The recoveries of TBZ and IMA from citrus fruits spiked at levels of 10 microgram/g and 5 microgram/g were in the range of 94-98% and 93-98% with coefficients of variation of 0.5-2.2% and 1.6-2.7%, respectively. The recoveries of TBZ and IMA from banana spiked at levels of 3 microgram/g and 2 microgram/g were 94% and 94% with coefficients of variation 1.1% and 4.9%, respectively. The detection limits for TBZ and IMA were 0.1 microgram/g in citrus fruit and 0.05 microgram in banana.
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