ESR Tube

ESR tubes are mainly used for blood sample collection and anticoagulation during erythrocyte sedimentation rate test.It contains 3.8% (0.129mol/L) sodium citrate buffer which mixed with blood in a ratio of 4:1. It is suitable for ESR testing for different genders and ages. Ø9×120 ESR tube is applicable to various automated erythrocyte sedimentation rate analyzers. Because of little volume and negative pressure inside the tube, it needs some time for blood collection. Wait for the blood to stop flowing into the blood collection tube and mix it 6-8 times to fully mix the anticoagulant and blood. Ø13×75 ESR tube is specially used in blood collection and anticoagulation for automated erythrocyte sedimentation rate analyzers sedimentation rate test with the mixing ratio of 1 part sodium citrate to 4 parts blood, by Westergren method.