Boiling Chips, 250g, PK6

Suitable for Distillation, Boiling Chips are Small, Insoluble, Porous Stones Made of Calcium Carbonate or Silicon Carbide, These Bubbles Ensure Even Boiling and Prevent Bumping and Boiling Over and Loss of the Solution, Always use a Boiling Chip When Heating a Solvent, Never Add a Boiling Chip to a Hot Solvent Because it can Cause Immediate Boiling Over of the Solution, These Stones have Pores Inside which Provide Cavities Both to Trap Air and to Provide Spaces where Bubbles of Solvent Vapor can Form when a Boiling Chip is Heated in a Solvent, It Releases Tiny Bubbles