The blood sample should be centrifuged immediately and the plasma removed from the blood cells. It is common to use microtainer collection tubes of lithium heparin, which contain plasma separators.

A laboratory centrifuge is a motor-driven device that ... in medical laboratories for separating plasma or serum from blood samples.

Blood sample tubes that contain a separating gel are often used to obtain blood serum for laboratory tests. After centrifugation, the inert acrylic gel at the bottom of the tube normally occupies ...

EKF Diagnostics’ HemataStat II™ is a microhematocrit centrifuge that provides a quantitative hematocrit reading for up to six blood samples from one 60 second spin. Hematocrit is the volume ...