heavy metal

A very imprecise term, never defined by any authoritive body, used loosely to refer to both the element and its compounds. It is based on categorization by density, which is rarely a biologically significant property. It is often used as a group name for metals and metalloids that have been associated with contamination and potential toxicity or ecotoxicity. However, the assumption that all so-called "heavy metals" and their compounds have highly toxic or ecotoxic properties is not supported by facts. Even further, the list of "heavy metals" is not clearly defined and has no basis in their chemistry. Even the term "metal" is commonly misused in both toxicological literature and in legislation to mean the pure metal and all the chemical species in which it may exist.

Very often, ther term "heavy metals" is used, based on one of the following "definitions":

The use of the term "heavy metals"  is highly discorouged  by IUPAC.

The term "heavy metal" was found in the following pages:

FDA identifies no harmful effects to date with brain retention of gadolinium-based contrast agents for MRIs | EVISA's News
Mercury contaminated freshwater fish from the NE United States: Where comes the mercury from ? | EVISA's News
Link database: Blacksmith Institute: mercury pollution
Study links high levels of cadmium and lead in blood to pregnancy delay | EVISA's News
Cadmium in chocolate: New EU regulation enter into force 1 January 2019 | EVISA's News
Link database: ChemgaPedia: Case Study - Heavy Metals (Mercury)
ISBOMC' 08: 4th International Symposium on Bioorganometallic Chemistry | EVISA's Agenda of Events
Iron-reducing bacteria could detoxify hexavalent chromium | EVISA's News
The effect of thermal treatment on the arsenic speciation in food | EVISA's News
New method for the determination of hexavalent chromium in anti-corrosion coatings | EVISA's News
TraceSpec 2016: 15th Workshop on Progress in Trace Metal Speciation for Environmental Analytical Chemistry | EVISA's Agenda of Events
EU proposes to ratify international Minamata Convention meant to protect citizens from mercury pollution | EVISA's News
Link database: Blacksmith Institute: Chromium pollution
Arsenic-absorbing fern may soak up toxic metal to repel hungry bugs, UF researchers say | EVISA's News
Cadmium Exposure Could Be Damaging Childrenís Health more than Lead | EVISA's News
Scientific publications citing EVISA | EVISA's News
ICHMET 2020: 20th International Conference on Heavy Metals in the Environment | EVISA's Agenda of Events
EUís proposal to restrict Cr (VI) in leather in final stages | EVISA's News
Link database: European Commission: Cadmium in Food
Instrument database: Retsch GmbH - Disc Mill DM 200