Color-Coded Capillary Tubes, Excellent for use in microhematocrit determinations, Pack of 100

Details:

Excellent for use in microhematocrit determinationsEnds can be sealed by flame, sealing clay or capsManufactured from low-taper, soft glassTubes are packed in plastic vials with reclosable snap-lock caps to maintain cleanlinessRed band on tube indicates heparinization; blue band indicates nonheparinized tubeInterior surface of heparinized tubes is evenly coated with ammonium heparin (4 to 7 USP units), which will not interfere with sodium determinatio