Glassy carbon modified with triazol derivative for analysis of cadmium (II)

Öz Cadmium is recently threatening not only the life of man but also nature and living environment. In addition, cadmium usage is generally decreasing because it is toxic. 3-Methyl-4-(4hydroxybenzylidenamino)-4,5-dihydro-1H-1,2,4-triazol-5-one (MDT) in 0.1 M supporting electrolyte was attached to glassy carbon electrode (GCE) by the phenol oxidation. The modified surface was investigated by several methods. The stability of the prepared surface was presented. The GCE with MDT was utilized for Cd(II) ions analysis in water samples. The concentration range and the detection limit were 1.0×10-9-1.0×10-8 M and 2.0×10-10 M, respectively. Kadmiyum son yıllarda sadece insan yaşamını değil doğa ve yaşam alanını da tehdit etmektedir. Ayrıca, toksik olmasından dolayı kadmiyum kullanımı genellikle azalmaktadır. Camsı karbon elektrot (GCE), 3-Methyl-4-(4-hydroxybenzylidenamino)-4,5-dihydro-1H-1,2,4triazol-5-one (MDT)’ nin fenol oksidasyonu ile 0.1 M destek elektrolit içinde modifiye olmuştur. Modifiye edilmiş yüzey, birkaç teknik kullanılarak ile karakterize edilmiştir. Hazırlanan yüzeyin kararlılığı gösterilmiştir. MDT ile modifye edilmiş GCE, su örneklerinde Cd(II) iyon analizi için kullanılmıştır. Derişim aralığı ve deteksiyon limiti sırasıyla 1.0×10-9 1.0×10-8 M ve 2.0×10-10 M, olarak bulunmuştur.

[1]  S. Cadore,et al.  Determination of cadmium by flame-atomic absorption spectrometry after preconcentration on silica gel modified with cupferron , 2004 .

[2]  M. Porter,et al.  Electrochemical oxidation of amine-containing compounds. A route to the surface modification of glassy carbon electrodes , 1994 .

[3]  J. Fei,et al.  Voltammetric determination of cadmium (II) based on a composite film of a thiol-functionalized mesoporous molecular sieve and an ionic liquid , 2011 .

[4]  Min Liu,et al.  Determination of cadmium(II) using glassy carbon electrodes modified with cupferron, ß-naphthol, and multiwalled carbon nanotubes , 2012, Microchimica Acta.

[5]  Shiuh-Jen Jiang,et al.  Determination of cadmium, mercury and lead in coal fly ash by slurry sampling electrothermal vaporization inductively coupled plasma mass spectrometry , 1999 .

[6]  A. Ramanavičius,et al.  1,10-Phenanthroline derivatives as mediators for glucose oxidase. , 2010, Biosensors & bioelectronics.

[7]  Rajendra N. Goyal,et al.  Sensors for 5-hydroxytryptamine and 5-hydroxyindole acetic acid based on nanomaterial modified electrodes , 2008 .

[8]  A. Ramanavičius,et al.  Electrochemical modification of glassy carbon electrode by poly-4-nitroaniline and its application for determination of copper(II) , 2010 .

[9]  U. Ritter,et al.  Application of electrochemical impedance spectroscopy for characterisation of the reduction of benzophenone in acetonitrile solutions , 2011 .

[10]  M. S. Qureshi,et al.  Electrochemically grafted etodolac film on glassy carbon for Pb(II) determination , 2012 .

[11]  M. Bakasse,et al.  Electrochemical determination of cadmium(II) at platinum electrode modified with kaolin by square wave voltammetry. , 2009, Journal of hazardous materials.

[12]  C. Barbero,et al.  Electrochemically Modified Glassy Carbon for Capacitor Electrodes Characterization of Thick Anodic Layers by Cyclic Voltammetry, Differential Electrochemical Mass Spectrometry, Spectroscopic Ellipsometry, X‐Ray Photoelectron Spectroscopy, FTIR, and AFM , 2000 .

[13]  A. Downard,et al.  Controlled assembly of gold nanoparticles on carbon surfaces , 2006 .