Chapter 5
Figure 5.8 0/W emulsions with time when lowering pH from 8.8 to 4.5.
4∙≡
≡f∣r w≡r
Equilibrium pH: 5.0 6.0 8.5
Figure 5.9 Photographs of 24 h emulsion samples adding HCI at different pH
1. Top of the oil layer
2. Middle of the oil layer
3. Near oil∕water interface
4. Water layer
(The scale bar is 20 μm)
Figure 5.10 24 h emulsion adding HCI (equilibrium pH 5.0)
Figs. 5.10 - 5.11 show the photomicrographs Ofsamples at equilibrium pH 5.0
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