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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]
Silver nitrate is an inorganic compound with chemical formula AgNO 3. It is a versatile precursor to many other silver compounds, such as those used in photography. It is far less sensitive to light than the halides. [citation needed] It was once called lunar caustic because silver was called luna by ancient alchemists who associated silver ...
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 .
Aaron Bartholmey started a pencil collection after a Christmas gift from his first-grade teacher. Three decades later, he has a Guinness World Record. This Iowan has collected pencils for 30 years.
Silver nitrate is also used in certain laboratory procedures to stain cells. As it turns them permanently a dark-purple/black color, in doing so increasing individual cells' visibility under a microscope and allowing for differentiation between cells, or identification of irregularities. Silver is also used in bone prostheses and cardiac ...
Some silver oxide powder.. Silver is a relatively unreactive metal, although it can form several compounds. The common oxidation states of silver are (in order of commonness): +1 (the most stable state; for example, silver nitrate, AgNO 3); +2 (highly oxidising; for example, silver(II) fluoride, AgF 2); and even very rarely +3 (extreme oxidising; for example, potassium tetrafluoroargentate(III ...
Styptic pencil Alum block and razor. A styptic (also spelled stiptic) is a specific type of antihemorrhagic agent that works by contracting tissue to seal injured blood vessels. Styptic pencils contain astringents. [12] A common delivery system for this is a styptic or hemostatic pencil (not to be confused with a caustic pencil).
Lunar caustic/ lapis infernalis – silver nitrate, formed by dissolving silver in aqua fortis and evaporating. Lye – potash in a water solution, formed by leaching wood ashes. Potash – potassium carbonate, formed by evaporating lye; also called salt of tartar. K 2 CO 3; Pearlash – formed by baking potash in a kiln.