Cobalt hexacyanoferrate-modified electrode for amperometric assay of hydrazine

Published on Sep 1, 2002in Russian Journal of Electrochemistry1.063
· DOI :10.1023/A:1020241011841
D. Ravi Shankaran9
Estimated H-index: 9
(University of Madras),
S. Sriman Narayanan27
Estimated H-index: 27
(University of Madras)
Source
Abstract
A graphite electrode modified with cobalt hexacyanoferrate by mechanical immobilization was used for amperometric determination of hydrazine. The modified electrode exhibits good catalytic activity for the oxidation of hydrazine at a reduced overpotential with remarkable sensitivity. The modified electrode showed a linear response for hydrazine in the concentration range of 2.0 × 10–5 to 2.8 × 10–4 M. The detection limit was 9.8 × 10–6 M (S/N = 3). The proposed modified electrode was simple, sensitive, rapid, stable and promising.
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