Novel Type of Carbon Nanotube Paste Electrode Modified by Sb 2 O 3  for Square Wave Anodic Stripping Voltammetric Determination of Cd 2+  and Pb 2+ | Zendy

Majidian Mahsa | Zendy; Raoof Jahan Bakhsh | Zendy; Hosseini Sayed Reza | Zendy; Ojani Reza | Zendy; Barek Jiri | Zendy; Fischer Jan | Zendy

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Novel Type of Carbon Nanotube Paste Electrode Modified by Sb 2 O 3 for Square Wave Anodic Stripping Voltammetric Determination of Cd 2+ and Pb 2+

Author(s) -

Majidian Mahsa,

Raoof Jahan Bakhsh,

Hosseini Sayed Reza,

Ojani Reza,

Barek Jiri,

Fischer Jan

Publication year - 2020

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.202060137

Subject(s) - stripping (fiber) , square wave , anodic stripping voltammetry , antimony , analytical chemistry (journal) , electrode , antimony trioxide , carbon nanotube , electrochemistry , potentiometric titration , voltammetry , materials science , carbon fibers , chemistry , nuclear chemistry , inorganic chemistry , nanotechnology , chromatography , metallurgy , physics , quantum mechanics , voltage , fire retardant , composite number , composite material

A novel type of carbon paste electrode modified by multi‐walled carbon nanotubes and antimony trioxide (Sb 2 O 3 /CNTCPE) was applied for square wave anodic stripping voltammetry (SWASV) of Cd 2+ and Pb 2+ . 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 Cd 2+ and 1.2 ppb for Pb 2+ . The practical applicability was tested on the determination of Cd 2+ and Pb 2+ in tap water. The potentiometric stripping analysis at Sb 2 O 3 /CNTCPE was tested for the determination of Cd 2+ and Pb 2+ to compare this method with SWASV.

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