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Drs. Wei Tian & Yanhui Chen Sep-Dec. 2014. Main Content General Introduction of Mass spectrometry (MS) Time of Flight Mass Spectrum ( TOF-MS ) (Key point)

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Presentation on theme: "Drs. Wei Tian & Yanhui Chen Sep-Dec. 2014. Main Content General Introduction of Mass spectrometry (MS) Time of Flight Mass Spectrum ( TOF-MS ) (Key point)"— Presentation transcript:

1 Drs. Wei Tian & Yanhui Chen Sep-Dec. 2014

2 Main Content General Introduction of Mass spectrometry (MS) Time of Flight Mass Spectrum ( TOF-MS ) (Key point)

3 Function Injection system Ion source Mass analyzer DetectorRecord

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5 If the molecular weight of one organic compounds is odd, it contain an odd number N If the molecular weight of one organic compounds is even, it contain an even number N Molecular ion peak often appears in the highest position of (m/z) , except the situation of existing isotopic ion peaks On the left of molecular ion peak, there is no peak in the range of 3-14 atomic mass units

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7 (1) Determine the terminal group (2) Characterize copolymers (3) Investigate the reaction mechanism Function

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11 Description Macromolecules 2009, 42, 640-651.

12 Acknowledgement Wei Tian thanks for the help and source materials from graduate students of Applied Chemistry Department of School of Science.


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