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jchy2008
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ÕâÊÇ֮ǰͶAtmospheric EnvironmentµÄCheck list½ö¹©²Î¿¼¡£ INTRODUCTION 1. State environmental tobacco smoke (ETS), the related studies done, and the study objectives. EXPERIMENTAL Chemicals 2. Describe the characteristic and source of reagents. Instrumentation 3. Describe the characteristic of the sampling vessel made in our own laboratory and the method of atmospheric pressure chemical ionization (APCI) ion source modification. Sample preparation 4. Describe the preparation and sampling of gaseous standard sample with 3-Ethenylpyridine (3-EP), and the sampling of ETS sample. APCI-MS/MS method 5. Describe the sampling method, the experimental parameters of (APCI-MS/MS) used in the study., and the quantitative method to analyze 3-EP and validation of the method. GC-MS method 6. Describe the experimental parameters of gas chromatography/mass spectrometry, which was applied to carry out a comparative experiment for ETS. RESULTS and DISCUSSION Optimization of the method 7. Describe the modification of APCI ion source, and discuss sampling parameter (e.g. stirring time, flow rate) Direct APCI-MS analysis of 3-EP 8. Discuss the parameters of 3-EP direct analysis by APCI-MS. Method validation for quantification 9. Show the evaluation data of the direct APCI-MS/MS method and discussion. Real-world ETS sample analysis 10. Discuss the results of direct APCI-MS/MS method and GC-MS method for real-world ETS sample, and discuss the advantages of the direct APCI-MS/MS method compared to the conventional GC-MS method. CONCLUSIONS 11. Summary the study. |
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nono2009
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