The Mass Spectrometer

The Mass Spectrometer

• Used for the determination of relative atomic masses (Ar)
• Relative atomic masses are measured on a scale on which the mass of an atom of 12^C is defined as exactly 12 
• Can be used to identify different isotopes of an element

The Electro Spray Ionisation Time of Flight (TOF) Instrument

• The whole apparatus is kept in a vacuum
• The sample is dissolved in a volatile solvent and forced through a fine needle to produce positively…