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These are various mercury compounds.
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Metallic mercury
(Hg0) |
The most familiar mercury used in thermometer. Inhalation of its vapor
causes damage to lung, kidney and brain. |
Mercuric oxide
(HgO) |
Almost insoluble in water. Used as a topical antiseptic. Mercuric sulfide |
Mercuric sulphide
(HgS) |
Insoluble in water. Used as a red pigment in ancient times. Most mercury
in natural environment exists as this form. |
Mercuric chloride
(HgCl2) |
Often used in toxicology research. Given to experimental animals by injection
due to poor absorption from the gastric tube. Causes severe renal failure. |
Methylmercuric chloride
(CH3HgCl) |
Cause of Minamata Disease. On absorption, it is widely found tissues |
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