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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]
A typical reaction with silver nitrate is to suspend a rod of copper in a solution of silver nitrate and leave it for a few hours. The silver nitrate reacts with copper to form hairlike crystals of silver metal and a blue solution of copper nitrate: 2 AgNO 3 + Cu → Cu(NO 3) 2 + 2 Ag. Silver nitrate decomposes when heated:
In analytical chemistry, argentometry is a type of titration involving the silver(I) ion. Typically, it is used to determine the amount of chloride present in a sample. The sample solution is titrated against a solution of silver nitrate of known concentration. Chloride ions react with silver(I) ions to give the insoluble silver chloride:
The salt can be precipitated from a solution of sodium hyponitrite in water by the addition of silver nitrate: [2] Na 2 N 2 O 2 + 2 AgNO 3 → Ag 2 N 2 O 2 + 2 NaNO 3. Excess silver nitrate yields a brown or black precipitate. [1] [2] Silver hyponitrite can also be prepared by reacting silver nitrate with sodium amalgam. [5]
Silver nitrite is produced from the reaction between silver nitrate and an alkali nitrite, such as sodium nitrite. [3] Silver nitrite is much less soluble in water than silver nitrate, and a solution of silver nitrate will readily precipitate silver nitrite upon addition of sodium nitrite: AgNO 3 (aq) + NaNO 2 (s) → NaNO 3 (aq) + AgNO 2 ...
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
Silver nitrate is a traditional and less expensive halide abstraction reagent, as indicated by its widespread use in qualitative tests for halides.. Relative to AgPF 6, however, silver nitrate is poorly soluble in weakly basic solvents: the nitrate anion is Lewis basic and presents an interfering ligand that precludes its use in stringent applications.
According to a preliminary report from police, a silver 2018 Mercedes-Benz GLA250 struck multiple pedestrians before being stopped by police. Eight people suffered injuries, ranging from pain to ...
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