FAN Liqin, YANG Xianqing, CHEN Shengjun, LI Laihao, WU Yanyan, HAO Shuxian, CEN Jianwei, MA Haixia. Influence of light and temperature on degradation of N-nitrosodimethylamine and N-nitrosodiethylamine[J]. South China Fisheries Science, 2009, 5(3): 53-58. DOI: 10.3969/j.issn.1673-2227.2009.03.009
Citation: FAN Liqin, YANG Xianqing, CHEN Shengjun, LI Laihao, WU Yanyan, HAO Shuxian, CEN Jianwei, MA Haixia. Influence of light and temperature on degradation of N-nitrosodimethylamine and N-nitrosodiethylamine[J]. South China Fisheries Science, 2009, 5(3): 53-58. DOI: 10.3969/j.issn.1673-2227.2009.03.009
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Influence of light and temperature on degradation of N-nitrosodimethylamine and N-nitrosodiethylamine

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  • Influence of light and temperature on degradation of N-nitrosodimethylamine (NDMA) and N-nitrosodiethylamine (NDEA) was studied. The result showed that NDMA and NDEA degraded rapidly under the light. The concentration of NDMA and NDEA decreased from 60.88 and 60.06 ngmL-1 to 10.88 (82.13%) and 7.57 (87.39%) ngmL-1, respectively, when exposing to sun light for 4 h. The analysis of variance showed that the light had a significant influence on degradation of NDMA and NDEA (P0.05). The degradation of NDMA and NDEA was not significant from 4 to 50℃, but significant when the temperature was higher than 50℃ (P0.05).
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