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Title
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Novel Type of Carbon Nanotube Paste Electrode Modified by Sb2O3 for Square Wave Anodic Stripping Voltammetric Determination of Cd2+ and Pb2+
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Type
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JournalPaper
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Keywords
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Antimony trioxide; Multi walled carbon nanotubes; Square wave anodic stripping voltammetry; Potentiometric stripping analysis
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Abstract
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A novel type of carbon paste electrode modified by multi-walled carbon nanotubes and antimony trioxide (Sb2O3/CNTCPE) was applied for square wave anodic stripping voltammetry (SWASV) of Cd2+ and Pb2+. Important parameters (deposition potential, deposition time, HCl concentration) were optimized and linear concentration dependence was obtained in the range of 10–100 ppb with LOD 1.7 ppb for Cd2+ and 1.2 ppb for Pb2+. The practical applicability was tested on the determination of Cd2+ and Pb2+ in tap water. The potentiometric stripping analysis at Sb2O3/CNTCPE was tested for the determination of Cd2+ and Pb2+ to compare this method with SWASV.
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Researchers
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Jan Fischer (Not In First Six Researchers), Jiri Barek (Fifth Researcher), Reza Ojani (Fourth Researcher), Sayed Reza Hosseini-zavvarmahalleh (Third Researcher), Jahan Bakhsh Raoof (Second Researcher), Mahsa Majidian (First Researcher)
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