Electrogenerated chemiluminescence using platinum electrodes with hydrogen peroxide pre-treatment

Autor:	Carl E. Hall, Neil J. Kearney, Stuart G. Timmis, Roger A. Jewsbury
Rok vydání:	1996
Předmět:	Inorganic chemistry chemistry.chemical_element Analytical Chemistry law.invention Luminol Standard curve chemistry.chemical_compound chemistry law Electrode Electrochemiluminescence Cyclic voltammetry Hydrogen peroxide Platinum Chemiluminescence
Zdroj:	Analytical Communications. 33:269
ISSN:	1364-5536 1359-7337
DOI:	10.1039/ac9963300269
Popis:	A novel hydrogen peroxide pre-treatment of platinum electrodes is described. The method is applied to the electrogenerated chemiluminescence of luminol using air-segmented flow and an improved response and precision are reported. A rectilinear calibration for luminol is reported from 10–10 mol dm–3 to 10–5 mol dm–3 with a LOD of 1 × 10–10 mol dm–3. An explanation in terms of surface effects on the electrode surface is given, supported by cyclic voltammetry results.
Databáze:	OpenAIRE
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