See under heavy metals.
Term for a group of metals whose density or atomic mass exceeds a certain value. Colloquially, heavy metals are often regarded as "toxic substances". However, this is not correct, as the heavy metals that are essential to life include iron, copper, manganese, molybdenum, nickel and zinc. Arsenic, lead, cadmium, chromium, nickel and mercury (amalgam) are considered dangerous above a certain level. In humans, some are required as...
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Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)