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| National survey of nitrosamines by SPE optimization with fully automated GC-EI-MS/MS |
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학술지명 ASMS2014
저자 Huebsc,김윤덕,최재원,JungJM
발표일 2014-06-19
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This is the first nationwide survey on nitrosamines in Korea by the sensitive electron impact ionization method. In the past, the main analytical stream of NDMA and their family compounds has been based on GC-CI-MS/MS. This proven method has been provided sensitive and reliable data. However, EI method can be applied with enough sensitivity due do the advanced ion focusing and timed selected reaction monitoring (timed SRM) technology. In this study, instrumental analysis for ionization method(EI,CI), sensitivity optimization etc. were tested. Sample preparation methods between commercialized SPE cartridges were validated. Finally, the optimized method was applied to the treated samples from nationwide drinking water treatment plants. |
