Differential Pulse Anodic Stripping Voltammetric Determination of Cadmium(II) withN-p-Chlorophenyl-cinnamohydroxamic Acid Modified Carbon Paste Electrode

ADSORPTION KINETICS OF Cd2+ IONS ONTO MgPz THIN FILM

“…A novel (2,3,7,8,12,13,17,18-Octakis(4-tert-butylbenzylthio)-porphyrazinato)Mg(II) have been successfully synthesized. By using this compound as sensing materials, a flow type quartz crystal microbalance sensor was developed for the detection of small concentrations of Cd 2+ ions.…”

“…Therefore, there is a demand for the development of sensitive and simple analytical tool for the detection of trace amount of Cd 2+ ions in water samples [4,5]. Various traditional methods such as, inductively coupled plasma mass spectroscopy [6], atomic absorption spectrometry [7] and anodic stripping voltammetry [8] have extensively been applied for this purpose because of their well-known advantages [9]. However, all of these methods require sample collection, transportation to laboratories and long-term analysis process.…”

“…

ABSTRACT A (2,3,7,8,12,13,17,-porphyrazinato)Mg(II) functionalized quartz crystal microbalance sensor has been developed for the detection of trace Cd 2+ ions in water samples. The quartz crystal microbalance results indicated that the MgPz coated sensor exhibited high sensitivity, stability and selectivity for the detection of Cd 2+ in aqueous solution.

…”

Square Wave Anodic Stripping Voltammetric Determination of Hg(II) with N1‐Hydroxy‐N1,N2‐diphenylbenzamidine Modified Carbon Paste Electrode

“…Metal‐chelating ligands can provide excellent electrochemical platforms for the target heavy metals sensing due to their specific complexing ability with metal ions since they contain one or more electron donor atoms (Lewis base) such as N, S, O and P that can form coordination bonds with most of the toxic heavy metals (Lewis acid). A number of papers have been published on the electrochemical determination of heavy metal ions with metal chelating ligand modified carbon paste electrodes that includes N‐phenylcinnamohydroxamic acid for the determination of vanadium(V), iron(III) and uranium(VI) [18] and copper(II) [19], and N‐ p ‐chlorophenylcinnamohydroxamic acid for cobalt(II) [20], lead(II) [21], cadmium(II) [22], and mercury(II) [2].…”

A carbon paste electrode impregnated with Cd2+ imprinted polymer as a new and high selective electrochemical sensor for determination of ultra-trace Cd2+ in water samples

“…In order to enhance the sensitivity and selectivity of the electrochemical determination of cadmium, modified electrodes have received increasing attentions in the past decades. The modifiers used include chelating resin [16], silica [17,18], organofunctionalized silica [19][20][21], clay [22,23] and organic compound [24][25][26][27][28][29]. However, most of these procedures have difficulties achieving the sensitivity required for the determination of low levels of cadmium (II) ion in some real samples.…”