Plasma blood collection tube, Coagulation Tube, blue cap, can do from 1ml to 4.5ml, both Glass or PET.with three size13*75mm, can choose plastic stopper or rubber stopper.

Clotting Tube aims to obtain plasma specimen for coagulation function test,it contains buffered Sodium Citrate solution with the concentration of 3.2%(0.109mol/l).The mixing ratio of blood to Sodium Citrate is 9:1. This anticoagulant is sustained and stable,it strictly control the microbial limit, making sure the APTT test under the excellent condition.

The anticoagulant is Sodium Citrate solution with the concentration of 3.2%, which is used for coagulation tests, like PT, APTT, TT, etc.