Electrochemical stripping analysis is a set of analytical chemistry methods based on voltammetry[1] or potentiometry[2] that are used for quantitative determination of ions in solution.[3] Stripping voltammetry (anodic, cathodic and adsorptive) have been employed for analysis of organic molecules as well as metal ions. Carbon paste, glassy carbon paste, and glassy carbon electrodes when modified are termed as chemically modified electrodes and have been employed for the analysis of organic and inorganic compounds.
Stripping analysis is an analytical technique that involves (i) preconcentration of a metal phase onto a solid electrode surface or into Hg (liquid) at negative potentials and (ii) selective oxidation of each metal phase species during an anodic potential sweep. Stripping analysis has the following properties: sensitive and reproducible (RSD<5%) method for trace metal ion analysis in aqueous media, 2) concentration limits of detection for many metals are in the low ppb to high ppt range (S/N=3) and this compares favorably with AAS or ICP analysis, field deployable instrumentation that is inexpensive, approximately 12-15 metal ions can be analyzed by this method. The stripping peak currents and peak widths are a function of the size, coverage and distribution of the metal phase on the electrode surface (Hg or alternate).
^Francis George Thomas; Günter Henze (2001). Introduction to Voltammetric Analysis: Theory and Practice. Csiro Publishing. pp. 58–. ISBN 978-0-643-06593-2.
^Estela, J. M.; Tomás, C.; Cladera, A.; Cerdà, V. (2006). "Potentiometric Stripping Analysis: A Review". Critical Reviews in Analytical Chemistry. 25 (2): 91–141. doi:10.1080/10408349508050559. ISSN 1040-8347.
^Khʹena Zalmanovna Braĭnina; E. Neyman (1993). Electroanalytical Stripping Methods. John Wiley & Sons. ISBN 978-0-471-59506-9.
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