Potassium Carbonate
Potassium carbonate is the primary component of potash and the more refined pearl ash or salts of tartar. Historically, pearl ash was created by baking potash in a kiln to remove impurities. The fine, white powder remaining was the pearl ash. Potassium carbonate is prepared commercially by the reaction of potassium hydroxide with carbon dioxide.
Primary Applications:
- Mild drying agent.
- In the making of grass jelly.
- To produce Dutch process chocolate by alkalization.
- In the production of wire or mead by acting as a buffering agent.
- To soften hard water
- Welding fluxes
- As a fire suppressant
Potassium Carbonate
Specifications
AP Food Grade (Light Form)
Typical Properties
| Purity (K2CO3) | 99% min. |
| Chloride (As KCL) | 0.015% max. |
| Sulphate (As K2SO4) | 0.01% max. |
| Iron (Fe) | 0.001% max. |
| Insoluble Matter in Water | 0.02% max. |
| Heavy Metal | 10 ppm max. |
| Arsenic (As) | 2 ppm |
| Burnt Loss | 0.60% |
AP Fine Grade Granular Grade
Typical Properties
| Purity (K2CO3) | 98.50% min. |
| Chloride (As KCL) | 0.01% max. |
| Sulphate (As K2SO4) | 0.01% max. |
| Iron (Fe) | 0.001% max. |
| Insoluble Matter in Water | 0.02% max. |
| Burnt Loss | 0.60% |
