Voltammetric Device Measures Labile Copper Content The Metrohm 797 VA Computrace can be used for the determination of labile copper in sea water. Spectroscopic methods can only determine the total concentrations of metals, but with voltammetry it is possible to differentiate between the different oxidation states of copper. This allows statements to be made about the biological availability and toxicity, making voltammetry an essential tool in environmental analysis. Copper is one of the most toxic-heavy metals known to marine life, generally concentrations of heavy metals are comparatively low in open sea areas where human activities have not yet had a major detrimental effect. However, in coastal area, contamination is usually more widespread often in offshore sediments close to municipal and industrial discharge points. Many marine and research institutions are interested in determining the relationship between the labile (or free copper) and total copper, both of which can easi...
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