isotope dilution mass spectrometry

initialism: IDMS
https://doi.org/10.1351/goldbook.12451
Quantitative mass spectrometry technique in which an isotopically enriched compound is used as a surrogate internal standard.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1556 [Terms] [Paper]