Separation of trace elements from natural water and waste water

Trace elements play an important role in the environment, in particular in the biosphere. Some trace elements are very toxic, e.g. As, Cd, Hg, Pb; others, e.g. Fe, Zn, Mo are essential for life and found in organisms in the form of bioinorganic complexes. For many elements the difference between essential and toxic concentrations is not great. Within the last few decades the concentrations of trace elements in the environment have changed appreciably as a result of especially traffic, households, and industry. The determination of trace elements in natural waters, identification of their chemical form and their separation are therefore of great importance.

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Separation of trace elements from natural water and waste water