silver nitrate

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silver nitrate

(nī`trāt), chemical compound, AgNO3, a colorless crystalline material that is very soluble in water. The most important compound of silver, it is used in the preparation of silver salts for photographyphotography, still,
science and art of making permanent images on light-sensitive materials.

See also photographic processing; motion picture photography; motion pictures.
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, in chemical analysis, in silver plating, in inks and hair dyes, and to silver mirrors. It is used in medicine in the treatment of eye infections and gonorrhea. Fused silver nitrate is also called lunar caustic. Taken internally silver nitrate is a poison. It is prepared by reaction of nitric acid with silver, and purified by recrystallization. It is darkened by sunlight or contact with organic matter such as the skin.

Silver Nitrate


AgNO3, a compound occurring as colorless crystals with two modifications: orthorhombic and rhom-bohedral (stable above 157°C). Silver nitrate has a density of 4.352 g/cm3 (19°C) and a melting point of 209.6°C. Its solubility in water is 69.5 percent by weight (20°C). Silver nitrate forms solid solutions with nitrates of alkali and alkaline-earth metals. When heated to 350°C, silver nitrate decomposes to yield metallic silver; the latter is also formed upon the action of reducing agents (hydrogen, sulfides) on AgNO3. Silver nitrate is obtained by the action of HNO3 on silver in the presence of HNO2 traces.

Silver nitrate is used in the preparation of all other silver compounds. It is also used in the photographic industry, in glassmaking, and in the production of dyes for the textile industry. In organic and analytical chemistry, silver nitrate serves as a catalyst and oxidizing agent. In medicine it is used as an astringent, cauterant, and bactericide. [23–876–]

silver nitrate

[′sil·vər ′nī‚trāt]
(inorganic chemistry)
AgNO3 Poisonous, corrosive, colorless crystals; soluble in glycerol, water, and hot alcohol; melts at 212°C; used in external medicine, photography, hair dyeing, silver plating, ink manufacture, and mirror silvering, and as a chemical reagent.
References in periodicals archive ?
The report then estimates 2015-2020 market development trends of Silver Nitrate industry.
Many scientists have used the silver nitrate staining method as a reliable tool to ascribe the function of osmoregulation to the anal plates or anal organs of many dipterans (Simmin 1951; Stoffolano 1970; Komnich 1977; Bradley 1985; Schwantes 1989; Schwantes & Seibold 1989; Reeves 2008).
Figure 4 presents the dispersion graph between the bond strength values (MPa) and measurements of the silver nitrate nanoleakage area at the interface ([micro][m.
Saturation is, thus, reached after longer times for heat-treated samples and depends on the amount of silver nitrate initially added to the polymer and on the method used to grow the NPs.
2) I began to fear that my chronic symptoms were caused by the dilations, instillations of silver nitrate (a caustic), and antibiotics.
The MIC values for silver nitrate and Ag+ are presented in a later section (Table 6) expressed in parts per million (pg per mL).
For instance, in the 16th century, during the cultural movement in Europe known as the Renaissance, artists began using a technique in which a silver compound, such as silver nitrate, would chemically react with other metals in some artwork.
Silver nitrate staining for AgNOR counts was performed in 50 cervical smears of cytologicaly diagnosed normal, inflammatory, ISIL (mild dysplasia), HSIL (moderate and severe dysplasia) and squamous cell carcinoma.
More usually it was made from silver nitrate mixed with some sort of glucose.
The silver nanoparticles are made by reduction of silver nitrate in aqueous solution, followed by reaction with, for example, the ligand 2,9-dimethyl-1,10-phenantroline (dmp), which is dissolved in an organic solvent.