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The adsorptive cathodic stripping voltammetry technique (AdCSV) is used to determine copper(II) using salicylaldehyde thiosemicarbazone (N, S- donor) as a complexing agent on hanging mercury drop electrode at pH 9.3. Variable factors affecting the response, i.e. the concentration of ligand, pH, adsorption potential and adsorption time are assessed and optimized. The adsorbed complex of copper(II)...
A new ion-selective PVC membrane electrode based on salicylaldehyde thiosemicarbazone as an ionophore is developed successfully as sensor for mercury(II) ions. The electrode shows excellent potentiometric response characteristics and displays a linear log[Hg 2+ ] versus EMF response over a wide concentration range of 1.778x10 -6 -1.0x10 -1 M with Nernstian slope...
The reaction of phenylmercury(II) chloride with acetophenonethiosemicarbazone (Hatsc) in ethanol in 1:1 mole ratio undergoes symmetrisation forming the products, HgCl 2 (Hatsc) 2 and Ph 2 Hg instead of the anticipated compound PhHgCl(Hatsc). The analytical data, some physical properties, IR and NMR ( 1 H, 13 C, 199 Hg) spectroscopy all...
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