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Trace metal analysis in the laboratory or on-line

Posted: Thursday 12th November 2009

Voltammetry is a quantitative analysis method in which the current flowing through an electrode is measured while a potential scan is superimposed on that electrode. Voltammetry is short for Voltamperometry, the results are obtained by measuring the current (Amperes) as a function of the applied potential (Volts).

A plot of data gives current -voltage curves, called voltammograms, these curves provide both quantitative and qualitative information about the solution that is measured. The technique is mainly used for the determination of dissolved substances that can be oxidised or reduced relatively easy.

Examples of such species are:

metal ions and metalloids with the exception of the alkali and earth alkali metals

some anions like cyanide and iodide

organic compounds like acetaldehyde and vitamins

The new Applikon

For further information please contact on the Metrohm 797 Voltammetry System or the

Applikon on-line voltammetry system then please contact Metrohm UK Ltd

Tel 01280824824,

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