Preparing a blood sample

Use the supplied PVP solution (see Appendix - Parts list)

A blood sample can be stored at a maximum of one hour (at room temperature) After that the sample cannot be used anymore.

1. Mix 5 ml ready to use PVP solution with 250 µl of normal EDTA-anticoagulated blood (shortly before the measurement). Gentle mix the blood by immediately inverting the tube 10-12 times (don’t shake) thoroughly until it colours homogeneous red.
2. Click on Osmoscan on the Main screen. The Osmoscan start screen appears:
   
3. Press New...(F1)