What's the pot in the lab that puts in the oven?
There are many kinds of crucibles, such as cast iron crucibles, stainless steel crucibles, clay crucibles, graphite crucibles, silicon carbide and corundum crucibles.
The laboratory uses the possibility of a silicon carbide crucible, followed by clay and graphite crucibles, and the 2 are black or black gray. Corundum crucible for red meat or close to white. The inner surface of the cast iron crucible is rough, and the stainless steel crucible is smooth and metallic.
