How to make fake blood for a safe lab skills practical

To make fake blood for a safe lab skills practical, make a solution with following ingredients and proportions:

10% golden syrup

50% sesame oil

40% H2O

Add 10 drops of red food colouring

The solution will naturally separate so give it a gentle shake.

Once shaken it will look like this.

You can then decant the blood into blood tubes. They are now ready for centrifugation.

After centrifugation you get a very realistic sample that separates like blood to practice pipetting.

Note of caution: this solution is very oily so be careful not to get any on your clothes.

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