ESR Vacutainer Tube – Long – NE
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1,750 tube = 3,605 EGP
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ESR Vacutainer Tube – Long – NE
A vacuum blood collection tube designed for erythrocyte sedimentation rate (ESR) testing by the Westergren method. Contains 3.8% sodium citrate (0.129 mol/L) at a 1:4 anticoagulant-to-blood ratio. The long format (9×120 mm) is required for automated ESR analyzers that accept 120 mm tubes. Intended for clinical laboratories and hospital hematology units.
Specifications
- Size
- 9×120 mm (Long)
- Country of origin
- الصين (China)
- Brand
- NE
- Model
- NE
- Method
- Westergren
- Sterile
- Yes
- Material
- PET plastic
- Color cap
- Black
- Single use
- Yes
- Anticoagulant
- Sodium Citrate 3.8% (0.129 mol/L)
- Blood to additive ratio
- 4:1
Questions & answers
What is the difference between the long and short ESR tube?
The long tube (9×120 mm) is required by automated ESR analyzers that need 120 mm tube length, while the short tube (typically 9×75 mm or 13×75 mm) is used with manual Westergren racks or analyzers designed for shorter tubes.
What is the correct mixing ratio when using an ESR tube?
The ratio is 1 part sodium citrate solution to 4 parts blood (1:4), which is pre-set by the vacuum volume in the tube.
Are long ESR tubes compatible with the ESR Fast Detector analyzer?
The ESR Fast Detector available at UltraTeb is designed for 9×120 mm tubes, making this long tube compatible. Always verify with your specific analyzer's specifications.
What anticoagulant does this ESR tube contain?
The tube contains buffered tri-sodium citrate 3.8% (0.129 mol/L), the standard anticoagulant for the Westergren ESR method.
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