BD Vacutainer Blood Collection Tube - Blue (2.7ml)

These Citrate tubes are used to obtain a citrate plasma sample. They contain a buffered sodium citrate solution, which is used as an anticoagulant. Features innovative tube geometry that minimises tube headspace and associated platelet activation to optimise APTT monitoring of unfractionated Heparin patients. The user will always get a full draw with standard outside tube dimensions, even with small draw volumes. Available in a pack of 100. Colour blue. Tube Size: 13 x 75mm.