Voltammetric Detection of Diquat at the Carbon Paste Electrode Containing a Ca10(PO4)6(OH)2
Journal Title: Leonardo Electronic Journal of Practices and Technologies - Year 2007, Vol 6, Issue 10
Abstract
We report a sensitive electrochemical voltammetric method for analyzing diquat (DQ) ions using a carbon paste electrochemical (CPE) modified by porous material, such as hydroxyapatite (HAP). Diquat strongly adsorbed on a HAP-CPE surface and provides facile electrochemical quantitative methods for electroactive DQ ions. Operational parameters have been optimized, and the stripping voltammetric performance has been studied using square wave voltammetry. The peaks current intensity are highly linear over the 7×10-7–3×10-4 mol L-1 diquat range examined (10-min accumulation time), with a good sensitivity. These findings can lead to a widespread use of electrochemical sensors to detect DQ contaminates. Scanning electron microscopy was used for morphology observation and in particular the X-ray diffraction analysis (XRD) and Fourier transformed infrared spectroscopy (FTIR) analysis for characterization of synthesis powder.
Authors and Affiliations
Moulay EL MHAMMEDI, Mina BAKASSE, Abdelilah CHTAINI
Keywords
Related Articles
- EP ID EP118452
- DOI -
- Views 61
- Downloads 0
Performance Evaluation of Cutting Fluids Developed from Fixed Oils
In this work, different cutting fluid emulsions of about 10% concentration were developed from fixed oils and the performance of each of the developed cutting fluid was evaluated by a direct comparison with as purchased...
Evaluation of the Lubricating Properties of Palm Kernel Oil
The search for renewable energy resources continues to attract attention in recent times as fossil fuels such as petroleum, coal and natural gas, which are been used to meet the energy needs of man are associated with ne...
Setting Up PID DC Motor Speed Control Alteration Parameters Using Particle Swarm Optimization Strategy
In this paper, an intelligent controller of DC Motor drive is designed using particle swarm optimization (PSO) method for formative the optimal proportional-integral-derivative (PID) controller Tuning parameters. The pro...
Production and Characterisation of Zeolite from Ahako Clay in Kogi State, Nigeria
Zeolite, a multi-purpose material normally sourced from clay is usually for many Engineering applications. However, it is only those Zeolite that are technically well prepared that can give optimum performance during app...
Comprehensive Case Study of Coals from Farcasesti Area
A statistical study of analysis results was made for lignite from the Fărcăşeşti area (Gorj County, Romania), exemplified for the eight characteristic properties, as moisture content (imbibitions and hygroscopic), volati...