Mass spectrometry is a great technique that can us give us detailed information about the mass and structure of a molecule. This video explains how it works. Timestamps: 0:00 - What is Mass Spectrometry? 0:59 - Electron Ionisation/Electron Impact (EI) 1:50 - Fragmentation 2:36 - Chemical Ionisation (CI) 3:26 - Electrospray Ionisation (ESI) 4:11 - Acceleration 4:40 - Electromagnetic field deflection 5:22 - Mass to charge ratio (m/z) 5:42 - Time-of-Flight (ToF) Spectrometer 6:18 - Time-of-Flight (ToF) Calculations 9:56 - Cl2 mass spectrum 11:10 - Br2 mass spectrum 11:32 - Pentane mass spectrum 12:22 - Pentane (EI vs. CI/ESI) 13:34 - Identifying fragment peaks 14:28 - Pentan-3-one mass spectrum 15:02 - M+1 peak (carbon-13) 16:33 - 2-Chloropropane mass spectrum 17:07 - Dichloromethane mass spectrum 17:20 - 1-Bromopropane mass spectrum 17:43 - Dibromomethane mass spectrum 17:55 - Ethanamide mass spectrum 18:37 - GC-MS 18:53 - High Resolution Mass Spectrometry -------------------------------- ** If you find my videos helpful, and would like to provide me with caffeine to make more videos, I’d really appreciate it: ** You can also check out my store: Thanks for your support! -------------------------------- #science #chemistry #alevel #organicchemistry #education