Trisodium citrate dihydrate is obtained by neutralizing citric acid with sodium hydroxide or sodium hydrogencarbonate. The sodium hydrogencarbonate was dissolved in water under stirring, and citric acid was added thereto, and the temperature was further raised to 85 to 90 ° C to adjust the pH to 6.8. Add decolorization with activated carbon and filter while hot. The filtrate was concentrated under reduced pressure, and crystals were precipitated after cooling. Filtration, washing and drying gave Trisodium citrate dihydrate.
Trisodium citrate dihydrate can be used as a Ph regulator and emulsion enhancer for jams, candies, jellies and ice creams; with citric acid to moderate the acidity; and complex metal ions.
Trisodium citrate dihydrate can also be used as a food additive, a complexing agent and a buffer for the electroplating industry, an anti-coagulant for the pharmaceutical industry, and an auxiliary for detergents in the light industry.
Trisodium citrate dihydrate is also used as a flavoring and stabilizer for food processing. It is used as a buffer and a secondary complexing agent in the non-toxic electroplating industry. It is used as an anticoagulant, antispasmodic and diuretic in the pharmaceutical industry, and also used in brewing and injecting solutions. , filming drugs, etc.
Trisodium citrate dihydrate production method and use
