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The Effect of Ion Mass and Ion Energy on the Sensitivity of Ilford Q2 Plates as Ion Detectors in Mass Spectrography

Volume 16, Number 5 (May 1962) Page 148-150

Owens, Edward B.


The sensitivity of Ilford Q2 photographic plates as detectors in mass spectrography has been investigated. The dependence of the sensitivity on the mass and energy of the impinging ions has been determined from the relative darkening of the emulsion produced by a fixed number of ions of mass 13 through 198 accelerated by voltages between 1.88 and 15 kv. The sensitivity was found to increase with increasing ion energy and to decrease with ion mass.