CH1012
L1
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L1
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9
MICELLES
3
. Association Colloids - Micelles
•
organised aggregates of highly
surface active materials
(surfactants).
•
Insoluble
in medium.
- Thermodyn.
stable.
eg. soap
Lipophilic
interior
Hydrophilic
exterior
ionic micelles < 100 molecules
non-ionic < 1000 molecules