https://doi.org/10.1351/goldbook.R05114
A @T06387@ in which a @R05077@ indicator is used to monitor the @E02096@ of the @T06387@.
Source:
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2524 [Terms] [Paper]