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Volume 33 Issue 9
Oct.  2017
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FENG Yuan-mei, LI Yi-nan, LIU Ran.et al, . Application of gas chromatography-mass spectrometry in detection of nitrosamines in drinking water[J]. Chinese Journal of Public Health, 2017, 33(9): 1400-1404. doi: 10.11847/zgggws2017-33-09-27
Citation: FENG Yuan-mei, LI Yi-nan, LIU Ran.et al, . Application of gas chromatography-mass spectrometry in detection of nitrosamines in drinking water[J]. Chinese Journal of Public Health, 2017, 33(9): 1400-1404. doi: 10.11847/zgggws2017-33-09-27

Application of gas chromatography-mass spectrometry in detection of nitrosamines in drinking water

doi: 10.11847/zgggws2017-33-09-27
  • Received Date: 2017-05-28
  • Publish Date: 2017-09-10
  • Objective To establish and optimize a solid phase extraction-gas chromatography-mass spectrometry(SPE-GC-MS)method for simultaneous detection of nine N-nitrosamines in drinking water.Methods The drinking water samples were purified and concentrated with SPE-GC-MS.Recovery,accuracy,method detection limit,lower limit,and standard curve were used to verify the established method.Results The retention time of nine N-nitrosamines was between 9.819 and 20.541 minutes.A good linearity within the concerntration from 10 μg/L to 1 000 μg/L was observed (R2>0.999).The detection limit of the method was between 2.27 ng/L and 6.20 ng/L.The recovery for low (50 ng/L) and medium (100 ng/L) to high concentration (200ng/L) were between 62.32%-89.71% and 73.43%-109.66%.The relative standard deviation (RSD) for all the detections were less than 10.The recoveries for all drinking water samples were between 74.62% and 102.74%.Conclusion The solid phase extraction with gas chromatography-mass spectrometry method established could meet the requirement for the detection of nine N-nitrosamines in drinking water samples.
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