The knowledge of metal ion speciation is essential for predicting
the exact toxicities of metal ion species in the environment. Metal
ions can exist in various oxidation states, each of which possesses
different physical and chemical properties as well as exhibit
varying toxicities. Often, toxicity data is unreliable because it
is based on metal ion concentration measurements that fail to
identify a dominant species either more or less harmful than the
average. Instrumental Methods in Metal Ion Speciation provides
analytical techniques and experimental methodologies for
determining the concentration of the different physicochemical
forms of metal ions in environmental and biological samples,
leading to more accurate measurements of actual toxicity.
The authors introduce the principles of metal ion speciation and
discuss important analytical techniques such as gas and liquid
chromatography, capillary electrophoresis, and both electrochemical
and radiochemical methods used to determine concentration and
composition. They present a range of liquid chromatographic
approaches, including capillary electrochromatography and
high-performance, ion, ion pair, micellar electrokinetic, size
exclusion, chiral, and supercritical fluid chromatographies for all
metal ion species. Comprehensive in scope, the text covers the
sources, distribution, toxicity, biotransformation, and
biodegradation of each metal ions species as well as extraction
methods, sample preparation, and experimental optimization
techniques that can be useful in designing future experiments.
Instrumental Methods in Metal Ion Speciation is a unique and
valuable source of reference for scientists, academics, and
researchersinvolved in analytical, biological, pharmaceutical, and
environmental chemistries, as well as material industries,
geochemistry, agriculture, biotechnology, and occupational safety
and regulations.
General
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