Whole Blood Collection Tube, ESR Tube, black cap, can do both 1.28ml and 1.6ml , Glass, the size is 8*120mm and can make a set with the ESR rack.

ESR Tube is mainly used for Erythrocyte Sedimentation Rate test, it contains buffered Sodium Citrate solution with the concentration of 3.8%(0.129mol/l).The mixing ratio of blood to Sodium Citrate is 4:1.It is suitable for ESR test for subjects of different gender and ages, with highly related coefficient comparing with the Westertren method.

The anticoagulant is Sodium Citrate solution with the concentration of 3.8%, which is used for ESR test with highly related coefficient comparing with the Westertren method.