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The blood collection tube is a glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid.
The ESR tube contained 3.8% buffered tri-sodium citrate solution (0.129 mol / L) mixed with 1 part of citrate solution and 4 parts of blood. The samples processed in these tubes can be used for routine blood donor screening, immunohematology and serodiagnosis of infectious diseases.
| Tube Type | Cap color | Additives | Application | |
| Plain tube | Red | — | Immunology, serology, biochemical test | |
| Coagulant tube | Orange | Red | Blood clot activator | |
| Coagulant gel tube | Yellow | Separation gel | ||
| EDTA tube | Lavender (Purple) | EDTA K2 | Blood routine, examination, molecular diagnostics | |
| EDTA K3 | ||||
| EDTA K2, separation gel | ||||
| PT tube | Light blue | Sodium citrate 0.109mol/L (3.2%) | Coagulation studies | |
| ESR tube | Black | Sodium citrate 0.129mol/L (3.8%) | Blood cell sedimentation rate test | |
| Heparin tube | Mint green | Lithium heparin 173IU/mg | Biochemical test | |
| Lithium heparin, separation gel | ||||
| Dark green | Sodium heparin 186IU/mg | |||
| Sodium heparin, separation gel | ||||
| Glucose/Lactate tube | Gray | EDTA 2Na, Sodium fluoride | Blood suger examination | |
| Potassium Oxalate, Sodium fluoride | ||||



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On the one hand, our product quality has passed the market test for 10 years. Many domestic companies, for example: GONGDONG, WEGO, CDRICH etc, are our long-term customers.
On the other hand, in our company, we strictly demand the quality of each employee's work and strictly demand the quality of each process. We believe that“Professional build the height, focus achieve the quality”.
We will reply you within 1 hour by email or phone. If we have local agent, we will arrange him to your site within 3 hours to assist you to shoot the problem. If we don’t have local agent, we will help you solve problems remotely through video calls.
For blood collection tube consumables, our product category is the most. We not only have regular reagents, like Stabilizer, Anti-micro-coagulant, Moisturizer, Anti-adhesion agent, Container Interior Silicification Agent, These reagents are used in combination with regular reagents to achieve better effect, but the blood test tubes and rubber stoppers.
For blood collection tube production machine, the equipment is compatible and the applicable test tube specifications are: Ø13×/75/95/100,Ø16×/100mm.
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