A Simple Method for the Standardization of Centrifugation Procedures in Blood Component Preparation

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Abstract
The total sedimentation effect in centrifugation procedures is described by including the phases of acceleration and retardation and expressing the effect by the product g.s. 91 CPD whole blood units were centrifuged at different speeds and times, between 373 g for 9 min 52s and 2,606 g for 22s. All procedures gave a sedimentation effect of 244,090 g.s. The platelet yield in the platelet‐rich plasma was 78–92% of whole blood. No significant difference was observed between low g force for a long time as compared to high g force for a short time.

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