Premium
Iron(III) Oxide Graphite Composite Electrodes: Application to the Electroanalytical Detection of Hydrazine and Hydrogen Peroxide
Author(s) -
Šljukić Biljana,
Banks Craig E.,
Crossley Alison,
Compton Richard G.
Publication year - 2006
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.200603605
Subject(s) - x ray photoelectron spectroscopy , materials science , oxide , iron oxide , inorganic chemistry , composite number , carbon fibers , electrochemistry , graphite , electrode , hydrazine (antidepressant) , nuclear chemistry , chemical engineering , chemistry , metallurgy , composite material , chromatography , engineering
Composite electrodes based on iron(III) oxide, Fe 2 O 3 , carbon powder and epoxy resin have been prepared and characterized using electrochemical methods and X‐ray photoelectron spectroscopy (XPS). Initially composite electrodes were made by mixing micron sized carbon powder surface with iron(III) oxide. However, the voltammetric responses were unsatisfactory. Therefore, a new type of composite electrodes was made using carbon powder modified with iron(III) oxide via a wet impregnation procedure. This technique involves saturation of the carbon powder with iron(III) nitrate followed by thermal treatment at ca. 623 K forming iron(III) oxide on the surface of the carbon powder.