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| Determination of nitrosamines in water by solid phase extraction and gas chromatography-mass spectrometry |
| Xu Jingyi1, Feng Yaping1, Yao Bo1, Liu Daxi1, Li Huiping2, Wang Libo3, Cui Jiansheng1 |
| 1. College of Environmental Science and Technology， Hebei University of Science and Technology， Shijiazhuang 050018，China; 2. Water Supply and Drainage Company of Shijiazhuang Hi-tech Industrial Development Zone, Shijiazhuang 050018，China; 3. Supply Corporation Ltd., Shijiazhuang Water Group Water ShiJiazhuang 050018， China |
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Abstract A method for the analysis of seven nitrosamines in water by solid phase extraction and gas chromatography-mass spectrometry (GC/MSMS) was developed. The optimum experimental conditions were obtained by optimizing the SPE column, elution reagent and temperature rise program. The experimental results demonstrate that the linear relationship of the 7 objects is good, the correlation coefficient reaches 0.999 ~ 0.9998, the standard recovery rate reaches 88.8% ~ 110%, and the relative standard deviation is 1% ~ 6.8%. The method is easy, rapid, sensitive and stable, and is suitable for the detection of nitrosamines in water.
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