Corona discharge ion source for analytical instruments
作者： Paul Douglas Arnold , Alastair Clark , Robert Brian Turner , Stephen John Taylor
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摘要: An ion mobility spectrometer comprises an cell (10) into which molecules of a sample to be analysed are introduced. The is doped with ions produced by corona discharge ionisation source (40). In one mode operation, the (40) operates produce continual dopant stream, and in second produces selectively. non-continuous may chemical instead, switching between two regimes being accomplished very rapidly. particularly suitable for detection explosive compounds narcotics, spectrum explosives from differing such dopants.
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