Answer:
How do you make malachite green solution?
use fresh millipored water. 75ml of 0.045%(w/v) malachite green solution (BDH stock solution is 0.5%, 9ml in 100ml -> 0.045%). Stir for at least 30 minutes (don't miss this out, it is important), filter through 0.22µm syringe filter. You get a green solution which on filtering is amber.
Explanation:
