· The inner surface of the tubes was prepared by spraying Sodium Heparin and drying.
· It is produced in various volumes.
· It is generally used in clinical chemistry laboratories.
· Heparin prevents blood clotting by specifically binding clotting factors IX and XI and by interacting with antith- rombin III and increasing its ability to inactivate thrombin
· Heparin tubes; are used for other biochemistry analysis requiring NT-ProBNP and Plasma. Sodium heparin is used for the lithium level. Sodium or lithium heparin is used for the ammonia level.
· Heparin blood can be used for the determination of electrolyte and erythrocyte fragility