Sampling system for use with surface ionization spectroscopy
First Claim
1. A gas separator comprising:
- (a) an external ion source; and
(b) a jet separator.
2 Assignments
0 Petitions
Accused Products
Abstract
In various embodiments of the invention, a device permits more efficient collection and transmission of ions produced by the action of a carrier gas containing metastable neutral excited-state species into a mass spectrometer. In one embodiment of the invention, the device incorporates the source for ionization in combination with a jet separator to efficiently remove excess carrier gas while permitting ions to be more efficiently transferred into the vacuum chamber of the mass spectrometer. In an embodiment of the invention, improved collection of ions produced by the carrier gas containing metastable neutral excited-state species at greater distances from between the position of the analyte and the position of the mass spectrometer are enabled.
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Citations
13 Claims
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1. A gas separator comprising:
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(a) an external ion source; and (b) a jet separator. - View Dependent Claims (2, 3, 6, 7, 11)
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4. A gas separator comprising:
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(a) an external ion source; (b) a plurality of substantially co-axial tubes, wherein the plurality of tubes are spaced such that there is a gap between the plurality of tubes; and (c) a vacuum region, wherein at least a portion of the plurality of co-axial tubes are located in the vacuum region. - View Dependent Claims (5, 8, 9, 10)
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12. A system for detecting an analyte comprising:
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(a) an ionization source; (b) an inlet side tube having two ends, with one of the ends proximal to the ionization source; (c) a vacuum region; (d) an outlet side tube having two ends, with one of the ends distal to the ionization source; and (e) a detector of the analyte. - View Dependent Claims (13)
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Specification