Introduction
Content
Objectives
Quiz
Links
Graphs
glossary
Corrections
Updates
Amendments
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Content
Metals natural, essential, and toxic
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Occurrence and distribution of metals
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Review Box 12.1 Heavy metals overview
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The biological roles of metals
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The flow of metals in society
Metals as environmental pollutants
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Metals in the environment
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Metallurgic industry
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Metals in water the Baltic Sea
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Metals in atmospheric deposition
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Methods Box 12.2 Mosses for biomonitoring
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Metals in soil
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Case Box 12.3 Regional geochemical mapping in the Baltic Sea region
The heavy metals
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The forms metallic, salts and organo-metallic compounds
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Mercury pollution
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Outlook Box 12.4 Mercury and gold mining
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Cadmium increased levels in biota
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Methods Box 12.5 Methods and instruments used for analysis of heavy metals
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Lead declined levels but hazards still exist
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Zinc no great problem
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Case Box 12.6 Heavy metal pollution in southern Poland
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Chromium
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Arsenic
Good management of metals
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