G - Physics – 01 – N
Patent
G - Physics
01
N
324/62
G01N 27/64 (2006.01)
Patent
CA 1146632
APPARATUS FOR SIMULTANEOUS DETECTION OF POSITIVE AND NEGATIVE IONS IN ION MOBILITY SPECTROMETRY ABSTRACT An ion mobility detector has dual drift regions respec- tively on either side of a centrally located reaction region and respectively separated therefrom by dual shutter grids. Each drift region terminates in a Faraday cup. An ion accelerating electrical field gradient is provided between the Faraday cups so that negative ions are drawn into one drift region and positively charged ions are drawn into the other drift region.
354093
Spangler Glenn E.
Wroten John F. Jr.
Bendix Corporation (the)
Macrae & Co.
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