silver sulfide


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silver sulfide

[′sil·vər ′səl‚fīd]
(inorganic chemistry)
Ag2S A dark, heavy powder, insoluble in water, soluble in concentrated sulfuric and nitric acids; melts at 825°C; used in ceramics and in inlay metalwork.
References in periodicals archive ?
Silver sulfide sulfate was formed at temperatures between 250-500oC and decomposes to form Ag2SO3 and Ag2S at temperatures between 500-600oC.
Silver sulfide is non-conductive, and its continued migration may eventually lead to open circuit failure.
In the first known field study of the fate of silver nanoparticles in the wastewater treatment system, researchers now report these nanoparticles transform into silver sulfide in the sludge produced by sewage treatment plants.
CPSC noted that it has not yet been determined how the hydrogen sulfide gas is being created in homes built with Chinese drywall, but the hydrogen sulfide gas is the essential component that causes copper and silver sulfide corrosion found in the complaint homes.
This corrosion of the silver and copper surface is primarily copper sulfide (Cu2S) with a small amount of silver sulfide (Ag2S).
Both copper sulfide and silver sulfide can form black marks on the skin.
Themethanol draws the Cd out of the nanorods, while the Ag+ fills the void left by the Cd, forming areas of silver sulfide (A[g.
15-xxxx For Imaging Media (Photography)--The Effectiveness of Chemical Conversion of Silver Images Against Oxidation--Methods for Measuring describes tests that may be used to determine the degree to which metallic silver in processed film products has been converted to silver sulfide when the images have been treated with a polysulfide solution.
A silver sulfide film is not electrically conductive and a switch contact may fail because of this black surface tarnish.
One type of crystal is almost pure metallic silver, and another is largely silver sulfide.
He discovered that if pieces of silver sulfide (synthetic or natural) were wrapped in a little metallic silver foil and heated, a beard-like growth of silver hairs appeared.