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