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Department of Chemistry

GC-MS

Gas chromatograph with Time of Flight (TOF) mass analyser

 

Standard ion source = EI (Electron ionization) got high sensitivity

CI (chemical ionization)

Mass separation with Time Of Flight analyzer

Micro channel plate detector (MCP)



Performance

Resolution R≧5,000 (FWHM)

Mass range 4 to 2000

Mass accuracy = highest value of 5 ppm or 2 mmu of internal standard.

 

 How to get your MS results:::>