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  • Title: [Rapid determination of thiabendazole residue in barbary wolfberry fruit by ion exchange chromatography and fluorescence detection].
    Author: Zhao J, He Q, Kong XH, Li JH.
    Journal: Zhongguo Zhong Yao Za Zhi; 2008 Aug; 33(15):1853-5. PubMed ID: 19007015.
    Abstract:
    OBJECTIVE: To developed a method for the determination of thiabendazole residues in barbary wolfberry fruit by ion exchange chromatography (IEC) with fluorescence detection. METHOD: The samples were extracted with 0.1% H3PO4. Chromatographic analysis was performed on a Supelcosil LC-SCX (4.6 mm x 250 mm, 5 microm) column eluted with 0.1 mol x L(-1) KH2PO4 (pH 3.0)-acetonitrile (70:30) and detection at lamdaex = 307 nm and lamdaem = 359 nm. RESULT: Thiabendazole in measured samples was separated completely. The calibration curve was linear at the range of 0.0005-0.02 mg x L(-1) with good precision and accuracy. CONCLUSION: The proposed method was satisfactorily applied to the analysis of thiabendazole residues in barbary wolfberry fruit.
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