Electro polymerized 4-vinyl pyridine on 2B pencil graphite as ionophore for cadmium (II)

► UV–vis spectrum shows a strong absorption band at 420nm for Cd–4VP complex. ► Bright spots on electrode surface indicate the insertion of Cd within poly-4VP. ► The electrode prepared has a limit of detection of 1.0×10−7M Cd2+. ► The necessary plasticizer and additive is not used in the fabrication...

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Veröffentlicht in:	Talanta (Oxford) 2012-01, Vol.88, p.477-483
Hauptverfasser:	Wee Ling, Joanna Lim, Khan, Anish, Saad, Bahruddin, Ab Ghani, Sulaiman
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Animals Cadmium Cadmium - analysis Cations Cations, Divalent Cattle Chemistry Chickens Electrochemical methods Electrochemical Techniques Electrodes Electropolymerization Exact sciences and technology Graphite Graphite - chemistry Hydrogen-Ion Concentration Ion-Selective Electrodes Ionophores - chemistry Kinetics Limit of Detection Liver - chemistry Myocardium - chemistry Optimization Pencil graphite Pencils Poly(4-vinyl pyridine) Polymerization Polyvinyls - chemistry Pyridines Soil - chemistry Solutions Spectrometric and optical methods Water - chemistry
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