sodium Citrate

Properties: white crystalline granules or powder. The relative density of 1.857. Loss of crystal water at 150 and continue heating break down. Soluble in water, insoluble in alcohol, aqueous solution pH of about 8. Odor, there are cool salty. Stable in the air. Uses: The materials used in food processing, flavoring, stabilizer, non-toxic electroplating industry for buffer and vice-complexing agent, the pharmaceutical industry as anti-clotting agent, phlegm drugs and diuretic drugs, also used in brewing, injection, reported that Shadow medicines. Preparation: from citric acid by sodium hydroxide or sodium bicarbonate in and derived. In mixing the sodium bicarbonate dissolved in water heated by adding citric acid, continue to heat up to 85-90 , adjust the pH to 6.8. Plus activated carbon bleaching, still hot filtration. Decompression filtrate was concentrated, crystalline precipitate after cooling. Filtration, washing, drying, have sodium citrate.