Assertion: calcite | /r/ObjectUse | used as the iaea-603 isotopic standard
Facets:
value: in mass spectrometry
type: LOCATION
Source sentences:
text: Calcite, obtained from an 80 kg sample of Carrara marble, is used as the IAEA-603 isotopic standard in mass spectrometry for the calibration of δ18O and δ13C.