potassium bicarbonate

[ puh-tas-ee-uhm bahy-kahr-buh-nit, -neyt ]

noun

, Chemistry, Pharmacology.

1. a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO 3 , produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in baking as a leavening agent and in medicine as an antacid.

Word History and Origins

Origin of potassium bicarbonate¹

First recorded in 1870–75

Example Sentences

Documents say the commercial product is drawn from the Las Vegas-area municipal water supply, filtered and processed with potassium hydroxide, commonly called lye, the chemical potassium bicarbonate and a mineral salt, magnesium chloride.

From Seattle Times

Launched in 1865, Liebig's Soluble Food for Babies was a powder comprising cow's milk, wheat flour, malt flour and potassium bicarbonate.

From BBC

Readily available under-sink reverse osmosis systems can treat tap water, and additives like calcium chloride, magnesium chloride and potassium bicarbonate are all readily available online.

From The Guardian

After the potassium hydroxide is approximately half consumed in the first bulb of the absorption apparatus, potassium bicarbonate is formed, and as it is much less soluble than the carbonate, it often precipitates.

From Project Gutenberg

Core’s ingredient list says its BPA-free bottles contain reverse osmosis water, calcium chloride, magnesium chloride and potassium bicarbonate.

From The Guardian