ESR is a simple, non-specific screening test utilized for monitoring the presence of inflammation in the body. ESR tubes contain tri-sodium citrate solution and are used for blood sedimentation analysis. Mixing recommendation: ESR tube should be gently inverted 180º Back and forth 8-10 times.

The tubes are specially used for determination of the erythrocyte sedimentation rate (ESR) by the Westergren'sMethod. Mixing ratio is 1 part citrate solution to 4 parts blood. ESR measurements refer to the Westergren method.
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It contains a 3.8% (0.129mol/L) buffered sodium citrate solution. The mixing ratio is 1 part citrate solution to 4 parts blood. Used for the collection and transport of venous blood for Erythrocyte and anticoagulation sedimentation rate testing.


We can supply you with following blood collection tubes:
1. Gel & Clot Activator tube with yellow closure for quick serum separation;
2. Clot Activator tube with red closure for quick serum separation;
3. Plain tube with red closure serum separation;
4. K2EDTA (K3EDTA) tube with lavender closure;
5. Sodium Heparin tube with green closure;
6. Sodium Citrate tube with Blue Closure for blood coaguation test (1: 9);
7. Sodium Citrate tube with black closure for blood sedementation test (1: 4);
8. Sodium Fluoride & Potassium Oxalate tube with grey closure for blood glucose test.


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