What Is a Crucible Cover?

Crucible tongs are a common chemical instrument. Crucible tongs are mostly made of refractory materials, and are made of stainless steel or hard materials that are non-combustible and difficult to oxidize. ^[1]

Crucible forceps

1. It is usually used to clamp the crucible. It is the pliers used to clamp the crucible and crucible lid. Crucible forceps can also be used to grip the evaporation dish. ^[1]

When holding hot porcelain crucibles and crucible lids, pre-heat the clamping parts of the crucible tongs to prevent the porcelain crucibles and crucible lids from falling sharply and exploding. ^[1]

1. Must use clean crucible tongs.

2. When using a crucible tongs to pick up a hot crucible, the tongs must be preheated to prevent the crucible from rupturing due to local cooling. After use, the tongs should be placed on the table or asbestos net.

3. After the experiment is completed, the crucible tongs should be wiped clean, put into the experimental equipment cabinet, and kept dry.

4. Use crooked part to hold crucible, use pointed tip for other purposes.

5. The crucible tongs are not necessarily used with the crucible.

6. The crucible tongs should be lightly clamped when taking the crucible and crucible cover to avoid force, so that the crucible and crucibles are crushed. ^[1]