CE ISO medical additives in tubes blue top 3.2% 3.8% sodium citrate PT 2ml 3ml 5ml 6.3ml vacuum blood collection tube
Vacuum blood tube
Sodium Citrate 1:9
Applying to blood clotting (PT, APTT, coagulation factor) test for clinical examination.The concentration of sodium citrate is 109 mol/L and the accurate ratio of blood and anticoagulant is 9:1.
Vacuum blood tube
Sodium citrate plays an anticoagulant effect mainly by chelating with calcium ions in blood samples. The anticoagulant concentration recommended by the National Clinical Laboratory Standardization Committee 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 0.2mL of 3.2% sodium citrate anticoagulant, and the blood is collected to 2.0ml. The type of specimen preparation is whole blood or plasma. Immediately after collection, invert and mix for 5-8 times. After centrifugation, take the upper plasma for use.
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