High Quality PT Tubes with CE &ISO

No Additive Tubes is used in blood collection and storage for biochemistry, immunology and serology tests in medical inspection. It can provide enough and non-polluted serum specimen for clinical test. while keeping the serum invariable in the long inspection period. It's applicable for all current mainstream biochemical analyzers.

PT tubes is mainly used for the test of blood coagulation mechanism .It is filled with buffered tri-sodium citrate solution,and citrate concertrations of either 0.109mol/L(3.2%) or 0.129mol/l(3.8%) are available. The choice of the concertration depends upon the policies of the laboratories.The mixing ratio is 1part citrate to 9 parts blood with the advantage of high accurate blood-to-additive ratio.It can provide an excellent condition for the test of PT and APTT values.