A Micro-modified Electrode Detecting Nitric Oxide

Abstract

Abstract: The effects of the adduct of imidazole and [Fe(Sal₂en)]²⁺oxidizing nitric oxide electrocatalytically were studled in this paper.The adduct of the 1: 1 mole ratio of Im/[Fe(Sal₂en)]²⁺can improve twice the sensitivity at which [Fe(Sal₂en)]²⁺oxidizes nitric oxide.It is certain that the media NO·[Fe(Sal₂en)]²⁺generates during the electro-oxidation of nitric oxide.The electrode above has a good linear response in the range of 3×10^-6～2×10^-9mol/Lof NO.The detection limit is 2×10^-9mol/L, RSD%<0.5%, δ>0.9994.It satisfys with the need of the phsiological analysis.

Key words: Nitric oxide, Imidazole, [Fe(Sal₂en)]²⁺, Electrocatalytic-oxidation

CLC Number:

O657.1

TrendMD:

DING Cai-Rong, Mo Jin-Yuan, CAI Pei-Xiang. A Micro-modified Electrode Detecting Nitric Oxide[J]. Chem. J. Chinese Universities, 1999, 20(9): 1380.

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A Micro-modified Electrode Detecting Nitric Oxide

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