What is the function of 5% sodium citrate solution?

Nicknamed sodium citrate, it is an organic compound with a white to colorless crystal appearance. Tasteless, cool, salty and spicy. It is stable at room temperature and air, slightly soluble in wet air and weathered in hot air. Heating to 150℃ loses crystallization water. Soluble in water, soluble in glycerol, insoluble in organic solvents such as alcohols, decomposed by overheating, slightly deliquesced in humid environment, slightly weathered in hot air, and its solution pH value is about 8.

Sodium citrate is used as acidity regulator, flavoring agent and stabilizer in food and beverage industry. Used as anticoagulant, expectorant and diuretic in pharmaceutical industry; In the detergent industry, it can replace sodium tripolyphosphate as an auxiliary agent of non-toxic detergent; It is also used in brewing, injection, photography and electroplating.