ZhenAn W1 Tungsten Crucible Manufacturer
Application of tungsten crucible and method of cleaning oxidized substances on the surface of metal molybdenum rod
Tungsten crucible is mainly used in metallurgical industry, mechanical processing, glass and ceramic industry and other fields. Tungsten crucible is one of the products of tungsten. It is mainly divided into sintering molding, stamping molding and spinning type.
It is formed by turning molybdenum rods and welded into various shapes.
Pure tungsten plates, tungsten sheets and pure tungsten rods are processed by corresponding processes. Become.
Can be used in vacuum inert gas below 2600 degrees.
Tungsten has high melting point and boiling point, good high-temperature strength, anti-friction and corrosion resistance, large thermal conductivity, small thermal expansion coefficient, and good hardenability.
It is widely used in rare earth smelting, quartz glass, electronic spraying, crystal growth and other industries.
How to clean oxidized substances on the surface of metal molybdenum rods?
After the molybdenum rod is burned at high temperature by a hydrogen-oxygen flame, a dark oxidized substance will be formed on the surface.
Is it molybdenum dioxide or molybdenum trioxide? Now it needs to be cleaned. It is best to soak it in some kind of chemical agent to dissolve it. , what can I do?
Molybdenum is stable in the air at room temperature, and reacts with oxygen to form molybdenum trioxide at 500°C.
Molybdenum trioxide is slightly soluble in hydrochloric acid, easily soluble in hot concentrated sulfuric acid and concentrated nitric acid, and can be dissolved in ammonia and alkaline solutions, so it can be dissolved and washed away with dilute sodium hydroxide solution.