PT Tube is mainly used for the test of blood coagulation mechanisms. It is filled with buffered tri-sodium citrate solution, and citrate concentrations of either 0,109 mol/l (3,2%) or 0,129 mol/l (3,8%) are available. The choice of the concentration depends upon the policies of the laboratories.
| Color | Code | Volume(ml) | Size (mm) | Additives | PackingQty |
 |
BIOTA-PA9SC2 | 2 ml | 13 x 75 | 3,2% SodiumCitrate | 1200 pcs/Box |
| BIOTA-PA9SC3 | 3 ml | 13 x 75 | 3,2% SodiumCitrate | 1200 pcs/Box | |
| BIOTA-PA9SC4 | 4 ml | 13 x 75 | 3,2% SodiumCitrate | 1200 pcs/Box | |
| BIOTA-PB9SC4 | 4 ml | 13 X 100 | 3,2% SodiumCitrate | 1200 pcs/Box | |
| BIOTA-PB9SC5 | 5 ml | 13 X 100 | 3,2% SodiumCitrate | 1200 pcs/Box |
