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4 articles for “Stripping voltammetry”
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Research ArticleOpen accessPhrase in the titleComparative Studies of the Determination of Divalent Cadmium, Lead and Copper in the Boiling Medicinal Herbs by Stripping Voltammetry and by Atomic Absorption SpectrometryAhmed Hassan, Jamal A. MayoufCadmium, lead and copper were determined in ten Libyian boiling medicinal herbs samples by differential pulse anodic stripping voltammetry as well as by atomic absorption spectrometry. Voltammetric method was done at Hanging Mercury Dropping Electrode (HMDE) in Briton-Robinson buffer solution of pH ~2.1 at 25± 0.1°C. The sample preparation was carried out by boiling 2.0g of a finely pulverized plant … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,029 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleDetermination of Trivalent Aluminum and Divalent Zinc in Drinking Waters by Differential Pulse Stripping VoltammetryAhmed HassanA Sensitive and precise differential- pulse stripping voltammetric method at static mercury dropping electrode (SMDE) has been applied to measure zinc(II) by anodic stripping at pH~¼4 and aluminum(III) by adsorptive cathodic stripping mode in presence of 1&Cross10-3M N,N` -bis-2-hydroxyethyl-2-amino-ethane sulphonic acid (BES) buffer at pH~7.1 and 2⨯10-5 M of alizarin red S as a ligand in drinking water samples purchased … …American Journal of Applied Sciences, Vol. 4, Issue 4 · 30 Apr 2007 · 7,585 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleDetermination of Zinc, Cadmium, Lead and Copper in Kakade, Anise, Cumin, Caraway Black Pepper Extracts Using Differential Pulse Anodic Stripping Voltammetry with Hanging Mercury Drop ElectrodeZ. R. KomyAn extraction and sensitive differential pulse anodic stripping voltammetric (DPASV) method at a hanging mercury drop electrode (HMDE) is described for the determination of Zn, Cu, Pb (mg g1) and Cd (ng g1) metal ions in water and 0.1 M HCl extracts for kakade, anise, cumin, caraway and black pepper. The procedure in water extract is based on the determination … …American Journal of Applied Sciences, Vol. 2, Issue 5 · 31 May 2005 · 6,875 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEvaluation of Lead, Cadmium and Copper Concentrations in Bee Honey and Edible MolassesAhmed Hassan, Mahmoud A.A. Ghandour, Azza M.M. Ali, Hazim. A. MahranProblem statement: Content of Cadmium, lead and copper in 26 bee honey samples from different places of Assiut governorate (south of Egypt) and three different botanical origins (Clover, Multi-flower and Citrus) in addition to four edible molasses samples from Egypt market were evaluated by Differential Pulse Anodic Stripping Voltammetry (DPASV) in Briton-Robinson buffer solution at pH ~ 2.1, as well … …American Journal of Applied Sciences, Vol. 7, Issue 3 · 31 Mar 2010 · 7,419 accessesView PDFCite