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7440-22-4
Ag
4700FI
99.9%-99.9999%
0.5/0.25/0.127mm
231-131-3
Characteristic
Silver is a chemical element with the symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal.
Phase at STP： solid
Melting point： 1234.93 K (961.78 °C, 1763.2 °F)
Boiling point： 2435 K (2162 °C, 3924 °F)
Density (near r.t.)： 10.49 g/cm3
when liquid (at m.p.)： 9.320 g/cm3
Heat of fusion： 11.28 kJ/mol
Heat of vaporisation： 254 kJ/mol
Molar heat capacity： 25.350 J/(mol·K)
Application
Other than in currency and as an investment medium (coins and bullion), silver is used in solar panels, water filtration, jewellery, ornaments, high-value tableware and utensils (hence the term silverware), in electrical contacts and conductors, in specialized mirrors, window coatings, in catalysis of chemical reactions, as a colorant in stained glass and in specialised confectionery. Its compounds are used in photographic and X-ray film. Dilute solutions of silver nitrate and other silver compounds are used as disinfectants and microbiocides (oligodynamic effect), added to bandages and wound-dressings, catheters, and other medical instruments.
Characteristic
Silver is a chemical element with the symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal.
Phase at STP： solid
Melting point： 1234.93 K (961.78 °C, 1763.2 °F)
Boiling point： 2435 K (2162 °C, 3924 °F)
Density (near r.t.)： 10.49 g/cm3
when liquid (at m.p.)： 9.320 g/cm3
Heat of fusion： 11.28 kJ/mol
Heat of vaporisation： 254 kJ/mol
Molar heat capacity： 25.350 J/(mol·K)
Application
Other than in currency and as an investment medium (coins and bullion), silver is used in solar panels, water filtration, jewellery, ornaments, high-value tableware and utensils (hence the term silverware), in electrical contacts and conductors, in specialized mirrors, window coatings, in catalysis of chemical reactions, as a colorant in stained glass and in specialised confectionery. Its compounds are used in photographic and X-ray film. Dilute solutions of silver nitrate and other silver compounds are used as disinfectants and microbiocides (oligodynamic effect), added to bandages and wound-dressings, catheters, and other medical instruments.
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