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In addition to staining skin, silver nitrate has a history of use in stained glass. In the 14th century, artists began using a "silver stain" (also known as a yellow stain) made from silver nitrate to create a yellow effect on clear glass. The stain would produce a stable color that could range from pale lemon to deep orange or gold.
As in analog photography (where silver is used for its sensitivity to light), exposure of pale or colorless silver compounds to sunlight decomposes them to silver metal or silver sulfides. Commonly these products deposit as microscopic particles in the skin, in effect a dark pigment. This condition is known as argyria or argyrosis.
Silver nitrate is also sometimes used in dermatology in solid stick form as a caustic ("lunar caustic") to treat certain skin conditions, such as corns and warts. [52] Silver nitrate is also used in certain laboratory procedures to stain cells.
Effects depend on the substance; hydrogen peroxide removes a bleached layer of skin, while nitric acid causes a characteristic color change to yellow in the skin, and silver nitrate produces noticeable black stains. Chemical burns may occur through direct contact on body surfaces, including skin and eyes, via inhalation, and/or by ingestion.
Typical caustic pencil with detail of dried, oxidized, and inactive chemical. A caustic pencil (or silver nitrate stick) is a device for applying topical medication containing silver nitrate and potassium nitrate, used to chemically cauterize skin, providing hemostasis or permanently destroying unwanted tissue such as a wart, skin tag, aphthous ulcers, or over-production of granulation tissue. [1]
It can take up to 4 months for the stain to be replaced completely by new nail growth. Stains with concentrations of silver nitrate higher than 18% have been found to have no added effect on stain longevity, as silver nitrate does not have a photosensitive reaction with live skin cells.
His skin turned blue after he began taking a homemade colloidal silver treatment and rubbing a silver preparation on his skin in an attempt to treat problems with his sinuses, dermatitis, acid reflux, and other issues. This caused him to develop argyria. [2] In 2008, Karason first gained prominence after appearing on Today. [3]
Silver nitrate is a salt of silver that is sometimes used by dentists as a caustic material to cauterize mouth sores, and has in the past been used by physicians for treating wounds. It may be an appropriate material to salt the earth after burying a monster that has been killed with silver bullets .