Classic Mixology: Cocktail & Mixed Drink Recipes

potassium carbonate

What it is:  Additive

A white salt, soluble in water (insoluble in alcohol), which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide's absorbent reaction with carbon dioxide. Potassium carbonate is sometimes used as a buffering agent in the production of mead or wine.

Further reading:  http://en.wikipedia.org/wiki/Potassium_carbonate