mercuric sulfide


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mercuric sulfide

n.
A poisonous compound, HgS, having two forms:
a. Black mercuric sulfide, a black powder obtained from mercury salts or by the reaction of mercury with sulfur, used as a pigment.
b. Red mercuric sulfide, a bright scarlet powder occurring naturally or prepared by heating mercury with sulfur, that is sensitive to heat and light and is used as a pigment. Also called cinnabar, vermilion.
References in periodicals archive ?
A chemical reaction forms mercuric sulfide on the reaction sites of particle surfaces in flue gas.
Conversion of the water soluble mercuric cation to the water insoluble mercuric sulfide salt can significantly reduce the uptake of Hg by Lumbricus worms.
4) Mercuric sulfide can diffuse into bacterial cells.