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  • [Rapid determination of thiabendazole residue in barbary wolfberry fruit by ion exchange chromatography and fluorescence detection].

[Rapid determination of thiabendazole residue in barbary wolfberry fruit by ion exchange chromatography and fluorescence detection].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica (2008-11-15)
Jie Zhao, Qiang He, Xiang-hong Kong, Jian-hua Li
ABSTRACT

To developed a method for the determination of thiabendazole residues in barbary wolfberry fruit by ion exchange chromatography (IEC) with fluorescence detection. 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. 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. The proposed method was satisfactorily applied to the analysis of thiabendazole residues in barbary wolfberry fruit.

MATERIALS
Product Number
Brand
Product Description

Supelco
SUPELCOSIL LC-SCX HPLC Column, 5 μm particle size, L × I.D. 25 cm × 4.6 mm
Supelco
SUPELCOSIL LC-NH2-NP HPLC Column, 5 μm particle size, L × I.D. 25 cm × 4.6 mm
Supelco
SUPELCOSIL LC-SCX HPLC Column, 5 μm particle size, L × I.D. 25 cm × 3 mm
Supelco
SUPELCOSIL LC-DABS HPLC Column, 3 μm particle size, L × I.D. 15 cm × 4.6 mm
Supelco
SUPELCOSIL LC-SCX Supelguard Cartridge, 5 μm particle size, L × I.D. 2 cm × 4 mm
Supelco
SUPELCOSIL LC-NH2-NP Supelguard Cartridge, 5 μm particle size, L × I.D. 2 cm × 4 mm
Supelco
SUPELCOSIL LC-SCX Supelguard Cartridge, 5 μm particle size, L × I.D. 2 cm × 4 mm
Supelco
SUPELCOSIL LC-NH2-NP Supelguard Cartridge, 5 μm particle size, L × I.D. 2 cm × 4 mm

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