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Citation: XU Siyuan, LEI Ping, JIN Guanping. Determination of Pb(Ⅱ),Cd(Ⅱ) with Melamine Chelating Resin/Multi-walled Carbon Nanotubes Composites Modified Waxed Graphite Electrode[J]. Chinese Journal of Applied Chemistry, ;2014, 31(2): 206-211. doi: 10.3724/SP.J.1095.2014.30106 shu

Determination of Pb(Ⅱ),Cd(Ⅱ) with Melamine Chelating Resin/Multi-walled Carbon Nanotubes Composites Modified Waxed Graphite Electrode

1.
School of Chemical Engineering, Hefei University of Technology, Hefei 230009, China

Corresponding author: JIN Guanping,
Received Date: 4 March 2013
Available Online: 6 May 2013
Fund Project: 国家自然科学基金(21076054) (21076054)国家大学生创新基金(201210359034) (201210359034)安徽省教育厅重点项目(2010AJZR-85,2011AJZR-87)资助 (2010AJZR-85,2011AJZR-87)

Melamine-formaldehyde-thiourea chelating resin coated multi-walled carbon nanotube(MFT/MWCNTs) composite was prepared by ultrasonic method,and characterized by field emission scanning electron microscope and electrochemical techniques.The composite modified waxed graphite electrode(MFT/MWCNTs/WGE) was successfully applied to Pb(Ⅱ),Cd(Ⅱ) simultaneously screening.The striping peak current shows a good linear relationship in the concentration range of 3×10^-8~9×10^-7 mol/L for Pb(Ⅱ) and 5×10^-8~7×10^-7 mol/L for Cd(Ⅱ),with a detection limit of 2×10^-9 and 3×10^-9 mol/L(3σ) for Pb(Ⅱ) and Cd(Ⅱ),respectively.
- ultrasonic synthesis,
- melamine-formaldehyde-thiourea chelating resin,
- multi-walled carbon nanotube,
- waxed graphite,
- heavy metal ions
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