Orthogonal ion sampling for APCI mass spectrometry
US6498343B2 · kind B2 · utility
5Cited by
4References
57Claims
0Family size
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Key dates
| Filing date | Jul 19, 2001 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Jul 19, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/168
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus are disclosed 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 invention provides reduced noise and increased signal sensitivity in both APT electrospray and APCI operating modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.