What is the best way to preserve collected blood for days ?

Answer 1

It depends on what the blood is being used for, and if it's to be tested then exactly which tests.

Refrigeration at 4 degrees Celsius preserves blood best, but it will clot if anti clotting additives aren't used.

Answer 2

Collected in a sterile fashion, in a sterile tube with preservative, and refrigerated. What a strange question. Have you collected blood? In what container? For what purpose?

Answer 3

intruging question well a good tip is to keep it in a cool air tight place away from sunlight