SPECTROMETER OF IONIC MOBILITY Russian patent published in 1998 - IPC

Abstract RU 2117939 C1

FIELD: measurement technology. SUBSTANCE: spectrometer of ionic mobility includes reaction chamber 1, drift chamber 2 housing collector element 22 and source of accelerating voltage. Reaction chamber 1 is divided into two parts 3,4 by partition 5 made from material penetrable to electrons and impenetrable to gas. First vacuumed part 3 has nonradioactive source 6 of electrons for instance in the form of thermoemitter or photocathode. Source 6 of electrons is connected to negative pole of source of accelerating voltage. Second part 4 of reaction chamber 1 houses branch pipes 14, 15 to feed and to drain analyzed gas correspondingly. Proposed design of spectrometer makes it possible to prevent contact of analyzed gas with ionization source. EFFECT: improved functional efficiency of spectrometer. 6 cl, 3 dwg

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RU 2 117 939 C1

Authors

Arnol'D Gerd

Budovich V.L.

Mikhajlov A.A.

Dates

1998-08-20Published

1997-06-10Filed