Traditional Culture Encyclopedia - Photography major - What is sodium citrate?

What is sodium citrate?

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Sodium citrate is mainly citrate, which is made from starch fermentation and synthesized with alkaline substances. It is safe and non-toxic. Sodium citrate is harmless to human body and is often used as a buffer. Bacterial culture medium can be used in medicine for diuresis, expectoration, sweating and prevention of coagulation; It can also be used as a food additive, and sodium citrate will be added to carbonated drinks.

Sodium citrate, also known as sodium citrate, has a chemical formula of C6H5Na3O7 and a molecular weight of 258.07. It is an organic compound with colorless rhombic crystals, stable in air, soluble in water and glycerol, and slightly soluble in ethanol. The aqueous solution is slightly alkaline and has a cool feeling when tasting. When heated to 100℃, it becomes a dihydrate salt. Commonly used as buffer, complexing agent and bacterial culture medium, it is used in medicine for diuresis, expectorant, sweating and prevention of blood coagulation, and also used in food, beverage, electroplating, photography and so on.