Method for calibrating mass spectrometers
US6498340B2 · kind B2 · utility
13Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2001 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Jan 12, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/0009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method whereby a mass spectra generated by a mass spectrometer is calibrated by shifting the parameters used by the spectrometer to assign masses to the spectra in a manner which reconciles the signal of ions within the spectra having equal mass but differing charge states, or by reconciling ions having known differences in mass to relative values consistent with those known differences. In this manner, the mass spectrometer is calibrated without the need for standards while allowing the generation of a highly accurate mass spectra by the instrument.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.