Ion trap mobility spectrometer and method of operation for enhanced detection of narcotics
US5491337A · kind A · utility
74Cited by
4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 19, 1994 |
| Grant date | Feb 13, 1996 |
| Priority date | — |
| Expiry date | Jul 19, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/622
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ion trap mobility spectrometer (ITMS) and method of operation are provided for enhanced detection of narcotics in an air sample. The air sample is transported by a carrier gas with a low concentration of a dopant that has a basicity between the relative basicity of said carrier gas and the narcotic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.