Analysis of Cu in Mezcal Commercial Samples using Square Wave Anodic Stripping Voltammetry
نویسندگان
چکیده
منابع مشابه
Quantification of lead in cooking utensils and vegetables using square wave anodic stripping voltammetry
A simple and sensitive voltammetric method using in-situ bismuth film modified glassy carbon electrode (BiFGE) and Nafion-coated bismuth film modified glassy carbon electrode (NC-BiFGE) were used to determine the amount of lead(II) present in locally produced (at Kombolcha, 376 km North of Addis Ababa, Ethiopia) and imported cooking utensils and vegetable samples before and after cooking with t...
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A mechanistic study to provide diagnostics of anodic stripping electrode processes at bismuth-film electrodes is presented from both theoretical and experimental points of view. Theoretical models for three types of electrode mechanisms are developed under conditions of square-wave voltammetry, combining rigorous modeling based on integral equations and the step function method, resulting in de...
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Let’s say that you wanted to determine the heavy metal identities and concentrations in sediment and suspended solid samples obtained from present day Lake Nakuru. What technique would you use for this determination? You could use Atomic Absorption Spectroscopy (AAS) as was done in the article (Nelson 1998), but another technique, which is particularly good at detecting metals at the ppb level ...
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The characterktics of the irldium-based hemkphwkai mercury uitramlcrodectrode (Ha-UME) in conjunction with squarewave anodic stripping voltammetry (SWASV) have been Investigated. Udng Hg-UMEs of 5-10-pn~ radii, samples were analyzed without any added electrolyte, deoxygenatlon, or forced convectlon. The peak stripping currents displayed a linear rdation8hip with d.porltion times varying from 1 ...
متن کاملSquare Wave Anodic Stripping Voltammetry at the Mercury Film Electrode: Theoretical Treatment
The theoretical treatment of square wave anodic stripping voltammetry at a mercury film electrode Is presented. Numerlcal calculations, using the step method, show that the dlfferentlal current voltammograms are symmetrical and the peak potentlal, E,, shlfts to more negaflve potentials (anEd8 log A = 59.2 mV) with decreasing film thickness parameter A = / / ( D R ~ ) " * . For A < 0.3, peak cur...
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ژورنال
عنوان ژورنال: Journal of Electrochemical Science and Technology
سال: 2018
ISSN: 2093-8551,2288-9221
DOI: 10.33961/jecst.2018.9.4.276