Sodium citrate is an excellent chelating chemical / complexing agent, in the industrial applications are sodium citrate advantage of this feature.
Used in the food and beverage industry, flavors, stabilizers; as an anti-clotting agent, expectorant and diuretic drugs in the pharmaceutical industry; in the detergent industry, can replace sodium tripolyphosphate as a non-toxic detergent auxiliaries; also used in brewing, injection, photography drugs and electroplating.
Lemon juice contains large amounts of citric acid, citric acid and calcium binding is a soluble complex, calcium can ease the role to promote blood clotting, prevention and treatment of hypertension and myocardial infarction. So you can play anticoagulant effect.
Taking fresh blood in the clinical need to add some sterile sodium citrate or sodium oxalate, can play a role in preventing blood coagulation, the sodium citrate and sodium oxalate are referred to as anti-coagulant.
Store in a dark, sealed, dry and cool place.