Disposable Vacuum Blood Collection Tube of PT Tube

Disposable vacuum blood collection tube which with 1:9 sodium citrate .

PT Tube,which also known as sodium citrate coagulation test tube, with light blue cap, the sodium citrate mainly acts as an anticoagulant by chelating calcium ions in blood samples. The anticoagulant concentration recommended by the National Committee for Clinical Laboratory Standardization is 3.2% or 3.8% (equivalent to 0.109mol/L or 0.129mol/L), and the ratio of anticoagulant to blood is 1:9. The vacuum blood collection tube contains about 0.2 mL of 3.2% sodium citrate anticoagulant, It can collect blood to 2.0 ml. The sample preparation type is whole blood or plasma. After blood collection, invert and mix 5-8 times immediately . Then after centrifugation, take the upper plasma for later use. It is suitable for coagulation experiments, PT, APTT, and coagulation factor examinations.