a general term given to the ions of metallic elements such as copper, zinc, chromium, and aluminum. They are removed from wastewater by forming an insoluble precipitate (usually a metallic hydroxide).
Found on
http://www.chemicalglossary.net/definition/834-Heavy_Metals
the heavy metals of concern to gardeners are lead, zinc, nickel, arsenic, copper and cadmium. These metals can be toxic to plants when they accumulate to high levels in the soil.
Found on
http://www.encyclo.co.uk/local/20003
Elements, including cadmium, mercury, lead and arsenic which may be found in the waste stream as part of discarded items (batteries, lighting fixtures, colorants, ink).
Found on
http://www.encyclo.co.uk/local/20096
Metallic elements with high atomic weights, e.g., mercury, chromium, cadmium, arsenic, and lead. They can damage living things at low concentrations and tend to accumulate in the food chain.
Found on
http://www.encyclo.co.uk/local/21804
trace elements whose concentrations are regulated because of the potential for toxicity to humans, animals, or plants, and includes chromium copper, nickel, cadmium, lead, mercury, and zinc if present in excessive amounts.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
a general term given to the ions of metallic elements such as copper, zinc, chromium, and aluminum. They are removed from wastewater by forming an insoluble precipitate (usually a metallic hydroxide).
Found on
http://www.hach.com/chemGlossary
certain metals, used industrially and harmful to living organisms, for which discharge and emission standards are set; including cadmium, chromium, copper, lead, mercury, nickel, zinc
Found on
http://www.oasisenviro.co.uk/Glossary%20F%20to%20M.htm
Generally refers to Arsenic, Antimony, Cadmium, Chromium, copper, Lead, Mercury, Nickel, Selenium and Zinc.
Found on
http://www.roadsafeeurope.com/useful_info/Glossary
The heavy metals of concern to gardeners are lead, zinc, nickel, arsenic, copper, and cadmium. These metals can be toxic to plants (and a potential risk to humans) when they accumulate to high levels in the soil.
Found on
https://extension.umd.edu/hgic/resource-library/vegetable-gardening-glossar
Metallic elements with high atomic weights; (e.g. mercury, chromium, cadmium, arsenic, and lead); can damage living things at low concentrations and tend to accumulate in the food chain.
Found on
https://www.encyclo.co.uk/local/20094
Elements such as copper, lead, cadmium, mercury, and other toxic metals used in industrial processes and often released as both air and water pollutants. They may accumulate to hazardous concentrations in sediments and sludge.
Found on
https://www.encyclo.co.uk/local/20855
No exact match found.
