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ESR Tube

Sodium citrate 3.8% is dispensed for sedimentation test. Blood and liquid additive volume ratio is 4:1. This tube is to match ESR Analyzer. This tube could not be used as the first tube to collect blood. Invert 8-10 times after blood collection. And the tube shall be inverted several times before experiment.


Vacuum blood Collection Tube, PET (glass), Safety cap. OEM label, sterilized

ESR tube. Black cap, used for blood anticoagulation for sedimentation rate test.

ESR Tube
Ø13×75mm 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.

Ø8×120mm ESR Tube is applicable to various Automated Erythrocyte Sedimentation Rate Analyzers.
Due to little volume and negative pressure inside the tube, it needs some time for blood collection. Do patiently wait until blood stops flowing into the tube. Then completely mix the anticoagulation and additive by turning the tube upside down for 6-8 times, Inappropriate mixing will cause hemolysis, coagulation or blood bubble and influence the test result.

MaterialSpec(mm)Volume(ml)LabelShelf life(year)Package
Glass8*1201.28、1.6、1.8、2.0Paper label2100/1800

Blood collection system black cap sodium citrate blood <a href=https://www.hwtai.com/Vacuum-Tube.html target='_blank'>Collection Tube</a>


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