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Colloidal Silver powder Raw Materials CAS 7440-22-4
Product Overview:
The atomic number of silver is 47, Colloidal Silver powder is a silver-white precious metal. Silver in the natural world in a very small amount to free state monomers exist, Colloidal Silver CAS 7440-22-4 mainly to silver-containing compounds exist in the ore.Colloidal Silver Raw Materials chemical properties are stable, low activity, expensive, thermal conductivity, electrical conductivity is very good, not easy to be corroded by chemicals, the texture is soft, rich ductility.
Colloidal Silver powder Raw Materials CAS 7440-22-4 Attributes
MF:Ag
MW:107.87
EINECS:231-131-3
Specification:Colloidal Silver powder
Sample:Colloidal Silver powder
Brand:Colloidal Silver powder
Appearance: white powder
Storage: Cool Dry Place
Brand: Globalchemical
Shelf Life: 2 Years
Test Method: HPLC
Colloidal Silver powder Raw Materials CAS 7440-22-4 Details
Uses and synthesis of Colloidal Silver powder
Silver has an atomic number of 47, Colloidal Silver powder is a silver-white precious metal. Silver in the natural world in a very small amount to free state monomers, Colloidal Silver CAS 7440-22-4 mainly silver-containing compounds ores exist.Colloidal Silver Raw Materials chemical properties are stable, low activity, the price is expensive, thermal conductivity, electrical conductivity is very good, not easy to be corroded by chemicals, the texture is soft, rich in ductility.
Applications / Functions of Colloidal Silver powder
- Colloidal Silver powder is used in the electronic industry. It can also be used in the preparation of high purity silver salts and as high purity analytical reagents.
- Colloidal Silver CAS 7440-22-4 Used as hot hydrogen generator, gel propellant, combustion active agent, catalyst, water cleaning adsorbent, sintering active agent, etc.
- Used for elemental analysis of organic compounds
- Colloidal Silver Raw Materials used for filters, ceramic tube capacitors, carbon film potentiometers, solid tantalum capacitors, composite transistors, conductive heating elements, etc.
Physicochemical Property of Colloidal Silver powder
White lustrous metal (face-centred cubic crystal), second only to gold in ductility. Soluble in nitric acid, hot sulfuric acid, in the air dissolved in molten alkali metal hydroxides, alkali metal peroxides, alkali metal cyanides.
Production methodprocess of Colloidal Silver powder
Metal silver as raw material, dissolved in nitric acid, with electrolyte composition: containing Ag50g / L, HNO33 ~ 10g / L, added to the electrolysis tank for electrolysis. The temperature of the electrolyte is about 45℃, the tank voltage is 2.5V, and the cathode current density is 2.5~2.7A/cm2. Colloidal Silver powder is produced by electrolytic refining.
