Resolving power
A mass spectrometer's ability to separate two close masses, expressed as m/Δm. A quadrupole gives ~1,000; a TOF 20,000–50,000.
Related terms
- High-resolution mass spectrometry
- Sufficient resolving power to distinguish species differing by a small fraction of a dalton. Required to exclude 1 and 2 Da alternatives.
- Unit resolution
- Resolving power sufficient to separate masses one dalton apart but not to determine exact mass. Cannot exclude a +1 or +2 Da alternative species.
see also Unit resolution · Resolving power
see also High-resolution mass spectrometry
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 37 glossary terms beginning with R