Conceptid (3) | Preflabel |
---|---|
C13BTX01 | Enrichment with respect to Vienna Pee Dee Belemnite (VPDB) of carbon-13 {13C CAS 14762-74-4} {delta(13)C} in biota {biological entity specified elsewhere} by mass spectrometry |
N15BTX01 | Enrichment of nitrogen-15 {15N CAS 14390-96-6} {delta(15)N} in biota {biological entity specified elsewhere} by mass spectrometry |
S34BTX01 | Enrichment with respect to VCDT of sulfur-34 {34S CAS 13965-97-4} {delta(34)S} in biota {biological entity specified elsewhere} by mass spectrometry |