Description
Vacuum blood collection PT tube 3.8% sodium citrate 9:1 are used for the test of blood coagulation mechanisms such as PT, and APTT.
The citrate concentration is 109mol/L.
The Mixing ratio is 1part citrate solution to 9 parts blood
The inner tube is made of PP materials, which can prevent the evaporation of liquid additive, and keep the concentration of sodium citrate solution stable.
Furthermore, the dry surface is favorable to obtain accurate testing results.
The outer tube is made of PET materials which can maintain the vacuum stable during the shelf-life period. The double-layer tube can bear the relative centrifugal force with 2500-3000g to obtain platelet-free plasma (PFP)
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