Heavy Metals

Authored by: Mike J. McLaughlin

Encyclopedia of Environmental Management

Print publication date:  December  2012
Online publication date:  December  2012

Print ISBN: 9781439829271
eBook ISBN: 9781351235860
Adobe ISBN:


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It is generally accepted that metals having a specific gravity (weight per unit volume) greater than 5 Mgm–3 are termed heavy metals. Some heavy metals are essential for either plant or animal survival on land, while others are nonessential and toxic at low concentrations.

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