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Abstract

A rapid, simple and sensitive flow injection chemiluminescence (CL) method was developed for the determination of deoxynivalenol in drink water. The method was based on the enhancement effect of deoxynivalenol on the CL reaction of luminol-H2O2 in alkaline medium. The influences of various experimental factors, including sodium hydroxide, luminol, hydrogen peroxide, Tween 80 concentrations were investigated. Under the optimum conditions, the enhanced CL intensity was linearly related to the concentration of deoxynivalenol in the range of 0.001~4.000 mg/L with a detection limit (3σ) of 0.001 mg/L. The precision was calculated by analyzing sample containing 0.2 mg/L deoxynivalenol (n=11) and the relative standard deviation (RSD) was 1.89%. The recovery rates were 67.33%~94.50% under different standard levels. This technique method could be applied to the on-line detection and emergency warning of sudden contamination of deoxynivalenol.

Publication Date

5-28-2018

First Page

70

Last Page

76

DOI

10.13652/j.issn.1003-5788.2018.05.014

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