The addition of gave the glass a color, so it was named blue cobalt glass.
Blue cobalt glass is a kind of observation lens, which mainly plays a role of filtering and protecting.
The production process of blue cobalt glass is special. Special glass made adding " " ( the main component is cobalt metaaluminate: ( AlO2 ) 2 ) in the production process.
generally used in laboratories or industrial cement production, steel plants and other high- temperature furnace mouths.
When observing the flame color reaction of , necessary to pass through the blue cobalt glass, because the compound is not, and often mixed with some impurities, such as sodium ( not easy to separate ). please feel to , we will reply to your email within hours.