1. Our Group Members are ……. Tan PekHoon Lam See Ngar Tan Hui Ying LohMun Lai TeyJitXiong

2. Electrostatic Repulsion Excluded Volume Repulsion Van der Waals force of attraction Types of Forces between colloidal particles Entropic Force Steric Force

3. Verwey Derjaguin What is DLVO Theory?? Landau Overbeek

5. Electrical Double Layer Ionization of adsorbed surface group Eg : Gum arabic (ionic emulsifier)

7. What is zeta potential??? Zeta potential is the charge that develops at the interface between a solid surface and its liquid medium. measured in MilliVolts

11. Determined by:

12. electrophoreticmobility

15. THE END