Capillary Tubes Blue Tip (100/pk)

Description

• 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

Specification