Lab glossary
Mass-to-charge ratio (m/z)
The quantity a mass spectrometer measures: the mass of an ion divided by its charge number. For singly charged ions it equals the ion mass.
- Also: m/z
Where you will meet this term
- InstrumentLiquid Chromatography–Mass Spectrometry (LC-MS / LC-MS/MS)
- InstrumentGas Chromatography–Mass Spectrometry (GC-MS)
- InstrumentInductively Coupled Plasma Mass Spectrometer (ICP-MS)
- Test methodElemental Impurities by ICP-MS
- CalibrationLC-MS: Mass accuracy calibration
- CalibrationGC-MS: Mass calibration (autotune)