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CH1012
LYOPHOBIC COLLOIDS II
Preparation
i) Condensation - built up from low M.W. ions or molecules by chemical reaction/nucleation/crystal growth
eg. As2S3
ii) Dispersion - degradation of bulk material, large particles are broken down into  colloid particles in the presence of the
dispersion medium.
eg. Murray River water
   (before and after ultrafilter)  ®