If required tubes can be prepared for small volumes from 100ul in any size polystyrene or polypropylene tube. Double dose heparin available in any size tube. Tubes with chemical dried in the base of the tube require thorough mixing.

NH1130 - Sodium heparin 0.5ml 9x44mm polystyrene blood collection tube with skirt cap 16 Int units sodium heparin per ml
NH2130 - Sodium heparin 1.0ml 9x44mm polystyrene blood collection tube with skirt cap 16 Int units sodium heparin per ml
NH200PP - Sodium heparin 1.0ml 10x45mm polypropylene blood collection O-Ring Tubes 16 Int units sodium heparin per ml
NH3130 - Sodium heparin 2.0ml 9x44mm polystyrene blood collection tube with skirt cap 16 Int units sodium heparin per ml
NH6740 - Sodium heparin 5.0ml 15x54mm polystyrene blood collection tube with screw cap 16 Int units sodium heparin per ml
NH9940 - 10ml Sodium Heparin 15x96mm polystyrene blood collection tube with screw cap