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Fisherbrand™ Microhematocrit Capillary Tubes 
Low-taper wall construction guarantees error less than 1% absolute, 0.4 hematocrit, relative
Catalog No. 22-362574
Description
Low-taper wall construction guarantees error less than 1% absolute, 0.4 hematocrit, relative
- Ends can be sealed by sealing clay or flame
- Manufactured from low-taper, soft glass
- Red band on tube indicates heparinization; blue band indicates nonheparinized tube
- Interior surface of heparinized tubes is evenly coated with ammonium heparin (4 to 7 USP units), which will not interfere with sodium determination
- Taper does not exceed 0.0254mm in 75mm
- Available plain or heparinized with not less than 2 USP units of ammonium heparinate
- Color-coded tube tips and labels
- Packaged in Fisher Scientific™ shaker-top vials for ease in dispensing
Specifications
| Microhematocrit Non-heparinized Capillary Tube | |
| Tube Sealant | |
| 0.11 to 0.12 cm | |
| 75 mm | |
| 0.043 to 0.047 in. |
| Glass | |
| 70 μL | |
| Blue | |
| 2.9 in. |