Citric Acid → Trisodium citrate

Participants

Reaction Conditions

Reaction Steps

A 1 liter beaker was charged with 141 g of H2O and 189 g of citric acid to simulate citric acid mother liquor. While stirring, 229.5 g of a 50% sodium hydroxide solution was added to bring the pH to 6.7. The solution was heated to 80° C. and filtered as before. The hot solution was placed in a 2 liter, 3 neck round bottom flask fitted with a reflux condenser, stirrer and heating mantle. A total of 1333 ml (1052 g) of ethyl alcohol was added over a 30 minute period while maintaining reflux to form a slurry of sodium citrate crystals.

Provenance & Evidence