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Fisherbrand™ Color-Coded Capillary Tubes 
Excellent for use in microhematocrit determinations
Description
Excellent for use in microhematocrit determinations
- Ends can be sealed by flame, sealing clay or caps
- Manufactured from low-taper, soft glass
- Tubes are packed in plastic vials with reclosable snap-lock caps to maintain cleanliness
- 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
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Specifications
| Heparinized Tube | |
| Non-sterile | |
| Glass | |
| 1.1 to 1.2mm |
| 70μL | |
| Tube Sealant | |
| Red | |
| 75mm |
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