Demonstrate how Blood Grouping works
The following demonstration has been reproduced by kind permission by Lynda Birchwood in Kingston
A cheap and simple way to show and demonstrate how blood grouping works. Not able to show the Rhesus factor though.
All made with distilled water and red dye
|Donor Group||Recipient group|
|O||Nothing else added||Barium Chloride + Sodium Hydroxide|
|A||Iron(3) Chloride||Barium Chloride|
|B||Potassium Sulphate||Sodium Hydroxide|
|AB||Iron(3) Chloride + Potassium Sulphate||Nothing else added|
Bench solutions and spatulas of dry chemicals are fine for this, enough though
to show displacement. So when on a spotting tile you can see the "red cells"
clump together!! The table below shows the result you should get.
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