Photolysis-ion chromatographic determination of N-nitrosodiethylamine

被引：0
|
作者：
Li, X. L. [1 ]
He, X. L. [1 ]
Dong, Y. Z. [1 ]
Jia, L. R. [2 ]
Lv, Y. P. [1 ]
机构：
[1] Sichuan Univ, Coll Light Ind & Food Engn, Chengdu 610065, Peoples R China
[2] Sichuan Univ, Inst Agroprod Proc, Chengdu 610065, Peoples R China
来源：
QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS | 2017年 / 9卷 / 01期
基金：
中国国家自然科学基金;
关键词：
nitrosamine; N-nitrosodiethylamine; photolysis; ion chromatography; PERFORMANCE LIQUID-CHROMATOGRAPHY; NITROSODIMETHYLAMINE NDMA; UV-IRRADIATION; MEAT-PRODUCTS; NITROSAMINES; WATER; MECHANISM; QUANTIFICATION;
D O I：
10.3920/QAS2015.0682
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Photolysis-Griess reaction (PG) method, as a cost-effective spectrophotometry, is widely used in food enterprises for determination of nitrosamines such as N-nitrosodiethylamine (NDEA). The PG method was conducted based on the amount of photo-produced nitrite ions. Results of this research showed the possible errors of the PG method, since photolysis of NDEA not only generated nitrite, but also nitrate ions. The sum of the concentrations of the two photo-produced ions was found equivalent to the initial NDEA concentration before photolysis. Based on this finding, a photolysis-ion chromatography method was established with good precision and accuracy.
引用
收藏
页码：101 / 104
页数：4
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