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Sn
Mr (NIST)        :
Mr (Sampled)  :
m/e
Intensity
Mass Spectrum
photographic plate
velocity
selector
electron
impact
ionisation
acceleration
plates
vapour
chamber
analogue-to-digital signals
gaseous atoms/molecules
electrons
ions
0
2
4
6
1
3
7
5
C12: 0 cm