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Fisherbrand™ Color-Coded Capillary Tubes
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Product Type:
Heparinized Tube
Non-heparinized Tube
Closure Color:
Blue
Red
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
Order Info
Length: 75mm. Inner diameter: 1.1 to 1.2mm. Wall: 0.2mm ±0.02mm. 100 Tubes per vial.

Specifications
Specifications
Product Type | Heparinized Tube |
Additive | Ammonium Heparin |
Material | Glass |
Sterility | Non-sterile |
Closure Type | Tube Sealant |
Capacity (Metric) | 70 μL |
Diameter (Metric) Inner | 1.1 to 1.2 mm |
Closure Color | Red |
Length (Metric) | 75 mm |
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