Sensitized determination of sulfite using flow injection with chemiluminescent detection
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 120 (2) , 467-469
- https://doi.org/10.1039/an9952000467
Abstract
The acidic oxidation of sulfite by CeIV is weakly chemiluminescent. A comparative study of the chemiluminescent determination of sulfite with the use of 3-cyclohexylaminopropanesulfonic acid (CAPS) and of cyclooctylamine as sensitizers of the reaction was made using a flow injection procedure. Despite a slight decrease in sensitivity, it was found that cyclooctylamine was superior to CAPS as a sensitizer and a detection limit of 5.4 × 10–7 mol l–1 sulfite was achieved compared with 1 × 10–5 mol l–1 using CAPS.Keywords
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