Scientific method
Isotope-ratio mass spectrometry
Also known as IRMS
Measures the ratio of isotopes of an element to high precision. Ratios, not absolute abundances, are what carry information about age, source and process.
Classification
- method class
- experimental
- access
- indirect
In the knowledge graph
- Isotope-ratio mass spectrometry provides evidence for Oxygen-18
- Isotope-ratio mass spectrometry provides evidence for Potassium-40
Record last updated 2026-09-06. Corrections follow the published corrections policy; superseded claims are retained, never silently edited.