Direct Electrochemical Determination of Methyl Jasmonate in Wheat Spikelet at a Nano-Montmorillonite Film Modified Electrode by Derivative Square Wave Voltammetry

2010 ◽  
Vol 58 (16) ◽  
pp. 8942-8947 ◽  
Author(s):  
Tian Gan ◽  
Chengguo Hu ◽  
Zilin Chen ◽  
Shengshui Hu
RSC Advances ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 6346-6355 ◽  
Author(s):  
Khalid Mahmoud Hassan ◽  
Abla Ahmed Hathoot ◽  
Mohamed Fathi Abo oura ◽  
Magdi Abdel Azzem

Electrochemical behaviors of hydroquinone, catechol and resorcinol were examined at poly(1,5-diaminonaphthalene)/glassy carbon-modified electrode by cyclic voltammetry, square wave voltammetry and chronoamperometry techniques in different media.


2009 ◽  
Vol 5 (3) ◽  
pp. 246-255 ◽  
Author(s):  
Parandis Daneshgar ◽  
Parviz Norouzi ◽  
Faeze Dousty ◽  
Mohammad Ganjali ◽  
Ali Moosavi-Movahedi

2020 ◽  
Vol 18 (3) ◽  
pp. 179-187
Author(s):  
J. Jency Feminus ◽  
P. N. Deepa

In the present work, we have developed a sensitive platform for the selective determination of Hg(II) ions based on reduced graphene oxide (rGO) electrode modified with poly cysteine (Poly-Cys). The Poly-Cys/rGO modified electrode was characterised by SEM, ATR-IR and its electrochemical behaviour was investigated through cyclic voltammetry and square wave voltammetry. The synergistic effect of rGO and poly-cysteine favoured the complexation of Hg(II) ions onto the surface of the modified electrode. The ions were then anodically stripped and the corresponding voltammograms recorded. The process of complexation followed by stripping was repeated with increasing concentrations of the metal ion. The linear range for the electrochemical determination of Hg(II) using the modified electrode was found to be from 0.05 to 2.7 μM with a detection limit of 0.006 μM. In addition, the electrode also exhibited good stability with negligible sensitivity towards interfering metal ions. The analytical applicability of the modified electrode was investigated by carrying out mercury determination in water samples obtained from various sources.


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