The electrochemical detection of tartaric acid using Cu vanadate nanorods modified electrode
by L.Z. Pei; T. Wei; N. Lin; Z.Y. Cai
International Journal of Nano and Biomaterials (IJNBM), Vol. 6, No. 1, 2015

Abstract: Cu vanadate nanorods have been used as the glassy carbon electrode (GCE) modified materials for the electrochemical detection of tartaric acid. The effects of scan rate, tartaric acid concentration and electrolytes in the electrochemical behaviours of tartaric acid in KCl solution have been analysed. Two pairs of semi-reversible cyclic voltammogram (CV) peaks are observed. The CV peaks are located at +0.12 V, −0.04 V (cvp1, cvp2) and −0.07 V, −0.41 V (cvp1′, cvp2′), respectively. The intensity of the electrochemical CV peaks increases linearly with the increase of the scan rate from 25 to 200 mVs⁻¹, tartaric acid concentration from 0.01 to 2 mM, respectively. The detection limit is 7.6 µM and 1.3 µM for cvp1 and cvp2, respectively at a signal-to-noise ratio of 3. Cu vanadate nanorods modified GCE shows good stability.

Online publication date: Wed, 25-Nov-2015

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