Time


(min)


Rate of


Diffusion for


1 Crystal


(mm/hr)


Rate of


Diffusion for


3 Crystals


(mm/hr)


Rate of


Diffusion for


6 Crystals


(mm/hr)


0-10


I


0-20


0-30


Rate (mm/h] = (diameter [mm] / time [min]) x 60 [min]


How to Measure