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Fisherbrand™ Microhematocrit Capillary Tubes

Low-taper wall construction guarantees error less than 1% absolute, 0.4 hematocrit, relative

$14.37 - $15.37


Diameter (English) Inner 0.043 to 0.047 in.
Diameter (Metric) Inner 0.11 to 0.12cm
Material Glass
Product Type Microhematocrit Capillary Tube
Length (English) 2.9 in.
View More Specs

Products ${productFamilyLength}
Catalog Number Mfr. No. Color Price Quantity  
Catalog Number Mfr. No. Color Price Quantity  
22-362574 Accessories Fisherbrand™
Blue Pack of 200 Each for $15.37
Case of 5 Pack for $76.85
22-362566 Accessories Fisherbrand™
Red Pack of 200 Each for $14.37
Case of 5 Pack for $71.85


  • 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

Order Info

Length: 75mm ±0.02mm, Inner diameter: 1.1 to 1.2mm, Wall: 0.2mm ±0.02mm, Capacity: 70μL, 200 tubes per vial

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Description & Specifications


0.043 to 0.047 in.
2.9 in.
0.002 oz.
0.11 to 0.12cm
Microhematocrit Capillary Tube