Quote:
Originally Posted by Aquaman
if I remember correctly, same charge particles that repel each other, thus keeping them in suspension. They are also tiny particle size so their weight does little for settling. Alum causes the particles to "floc" or coalesce, making them heavy enough to drop out of suspension.
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To think a dentist knows so much about colloidal suspensions
. We just had our test on suspensions in pharmacy school. I thought I would never use this stuff outside of pharmacy and amoxicillin suspensions. Gotta love that flocculation!!!
How do you make time for all this pond stuff? Geez!