Product Reference

Physical and chemical characteristics:

• Argrentum, (Ag);
• chemical element of Group I in Mendeleev's Periodic Table;
• Nuclear number 47;
• Nuclear weight 107,8682;
• Density of 10,5 g/sm3;
• Melting Point 961,9 °С;
• Metal of white color, malleable, plastic.

One of scarce elements. Has the best among metals electric conductivity, heat conductivity, reflective ability. Silver chemically low-activity, at the presence of hydrogen sulphide blackens.

History:

Silver is known from most ancient times. In process of development of commodity manufacture it, by virtue of the natural properties (uniformity, divisibility, a retentivity, portability), alongside with gold acted as the monetary goods, played a role of a universal equivalent i.e. money. With 16 and up to the end of 19 centuries prevailed in monetary circulation of the European countries. From the end of the 19th century the most of the countries has passed to gold monometallism. Silver remained as the currency in China, Iran, Afghanistan till 1930s. It is extracted mainly from complex ores, to a lesser degree from silver ores.

Uses:
The Basic consumers of silver - manufacture of films, electrotechnical and electronic industry, manufacture of jewels. Silver has bactericidal properties: ions Ag sterilize water.