Orthogonal ion sampling for APCI mass spectrometry
US5750988A · kind A · utility
153Cited by
54References
11Claims
0Family size
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Key dates
| Filing date | Feb 3, 1997 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Feb 3, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/7253
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method apparatus wherein a plurality of electric fields and of orthogonal spray configurations of vaporized analyte are so combined as to enhance the efficiency of analyte detection and mass analysis. The method and apparatus provides reduced noise and increased signal sensitivity in both API electrospray and APCI operating modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.