MichaelB wrote:Want to try donating plasma, as it potentially has more uses.
Not really sure what you mean by that, as when you do a full blood donation you are donating plasma - they separate the blood into its components when you do a full blood donation. From the donateblood.com.au website:
Whole blood donations are separated into their components (red cells, platelets and plasma). After processing, red cells are refrigerated and can be stored for up to 42 days. Platelets are stored at room temperature and can be stored for up to 5 days. Plasma is frozen and can be stored for up to 12 months.
Whole blood donations can be done every 12 weeks, plasma/platelet donations can be done every 2-3 weeks.