Potassium permanganate diffusion

Potassium permanganate diffusion :

• petri-dishes  (Becky lot)

• tweeters 

• Small petri-dishes with Potassium  permanganate Cristal

• microscale - ruler- (Becky)

• Cold water, Distilled water wash bottle (2-3 beakers) becky

• stop-clock

• Teat pipettes/syringes

• Water bath 40oC (On Request)