Premium
Batch injection analysis with the rotating disk electrode
Author(s) -
Chen Liang,
Wang Joseph,
Angnes Lucio
Publication year - 1991
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.1140030809
Subject(s) - flow injection analysis , rotating disk electrode , spark plug , blank , analytical chemistry (journal) , electrode , volume (thermodynamics) , transient (computer programming) , materials science , detection limit , chemistry , mechanics , chromatography , physics , thermodynamics , electrochemistry , computer science , composite material , cyclic voltammetry , operating system
The use of the rotating disk electrode (RDE) for batch injection analysis (BIA) is illustrated. The technique involves injections of microliter samples into a large‐volume blank solution, at a fixed location below the disk center. Transient response peaks—similar to those of flow injection analysis—are observed, reflecting the transport of the sample plug toward and away from the RDE. The effects of various experimental variables on the BIA/RDE operation are described. Injection rates of several thousand samples per hour can be achieved, with relative standard deviations of 1–3%, and detection limits at the micromolar (ng) level.