Potassii Citras. Potassium Citrate. K3C6H5O7 + H2O = 323.59.

Source

Neutralize Potassium Carbonate with a solution of Citric Acid, and evaporate to dryness. 3K2Co3 + 2H3C6H5O7 = 2K3C6H507 + 3H2O + 3C02.

Characters

Transparent, prismatic crystals or a white, granular powder, odorless and having a cooling, saline taste. Deliquescent on exposure to the air. Solubility. - In 0.6 part of water; sparingly in Alcohol.

Impurities

Carbonates, chlorides, and tartrates.

Dose, 5 to 30 gr.; .30 to 2.00 gm.

Preparation

Liquor Potassii Citratis

Solution of Potassium Citrate. Synonym. - Mistura Potassii Citratis. Citric Acid, 6; Potassium Bicarbonate, 8; water to 100. The acid and the bicarbonate are dissolved separately and the solutions mixed. It contains about 9 per cent. of anhydrous Potassium Citrate.

Dose, 1 to 8 fl. dr.; 4. to 30. c.c.