Chemistry, asked by Malembi5561, 1 year ago

how to prepare formalin from formaldehyde 37 %

Answers

Answered by MonuAhlawat880
0
For 1 L of 4% Formaldehyde, add 800 mL of 1X PBS to a glass beaker on a stir plate in a ventilated hood. ...
Add 40 g of paraformaldehyde powder to the heated PBS solution.
The powder will not immediately dissolve into solution. ...
Once the paraformaldehyde is dissolved, the solution should be cooled and filtered.
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