The additive is a buffered solution of trisodium citrate, which forms salts with the calcium in blood, inhibiting the coagulation cascade. The blood to additive ratio must be 1:9.

The blood collection tube comes with a proprietary ‘Secure Lock’ mechanism. The tubes will not only be 100% leak-proof but also have a loud & clear locking sound with our advanced locking system.

Volume : 2ml, 3ml