Food
Sodium citrate is mainly used as food additive with the largest demand. It can also be used as seasoning agent, swelling agent, stabilizer, preservative, buffer, emulsifier, etc; In addition, sodium citrate and citric acid can also be used as flavoring agent, gelling agent and nutritional supplement for various cakes, cold drinks, fruit juices, beverages, cold drinks, dairy products and jam[ 6]
Medicine
In 1914, sodium citrate was developed as a long-acting anticoagulant, so that blood can be preserved for a longer time. In 1915, at the Martha Sinai Mountain hospital in New York, Richard Levinson demonstrated that the use of sodium citrate as an anticoagulant would transform the current blood transfusion operation that blood transfusion and blood donors must be at the same time and place into the blood bank system we use today[ 7] Sodium citrate also has antiseptic effect and is used to preserve some drugs[ 6]
Construction industry
In the construction industry, sodium citrate can be added as a retarder when making concrete, which can improve the frost resistance, compression and tensile properties of cement products; Under the increasingly serious social conditions of environmental problems, the sulfur dioxide in the exhaust flue gas of some smelters seriously exceeds the standard. Some studies show that using the characteristics of sodium citrate to remove sulfide from industrial tail gas has obvious effect
Complaint
