Abstract
Based on quenching effect of ochratoxin A on chemiluminescence (CL) reaction of luminol-NaIO4 system catalyzing by Tween 20, a novel flow-injection chemiluminescence method was developed for the rapid on-line determination of possible sudden pollution of ochratoxin A in drinking water. Under the optimum conditions of response surface experiment, the linear range for ochratoxin A was 0.006～1.000 μg/mL with a detection limit of 1.74×10-3 μg/mL and recovery of 80.6%～92.4%. The relative standard deviation (RSD) was 1.68% by analyzing samples containing 0.02 μg/mL ochratoxin A (n=11). This method was founs convenient to operate, and couls be applied to the rapid emergency warning and real-time monitoring of ochratoxin A in drinking water.
Publication Date
1-28-2019
First Page
86
Last Page
91,104
DOI
10.13652/j.issn.1003-5788.2019.01.015
Recommended Citation
Liang, LI; Shuze, TANG; Panpan, YANG; Qianyu, LIU; and Shizheng, WU
(2019)
"On-line monitoring of emergency pollution of ochratoxin A in drinking water by flow injection chemiluminescence,"
Food and Machinery: Vol. 35:
Iss.
1, Article 15.
DOI: 10.13652/j.issn.1003-5788.2019.01.015
Available at:
https://www.ifoodmm.cn/journal/vol35/iss1/15
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