precursor

in radioanalytical chemistry
https://doi.org/10.1351/goldbook.P04805
Of a @[email protected], any @[email protected] @[email protected] which precedes that @[email protected] in a @[email protected]
Source:
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2523 [Terms] [Paper]