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CH3041
ON-LINE LECTURE 10
INTERFACE CHEMISTRY
• An interface is the boundary
between 2
phases where properties differ from those
exhibited in the bulk phases.
phases where properties differ from those
exhibited in the bulk phases.
• Surface
Chemistry or Interface Chemistry
occurs in the interfacial zone.
occurs in the interfacial zone.
• For the phases solid, liquid, gas there
are
5 Interfaces : g-l, g-s, l-l, l-s, s-s
5 Interfaces : g-l, g-s, l-l, l-s, s-s
• 8 Disperse systems: dis. Phase- dis.
Medium
colloid s-l, emulsion
l-l,
foam g-l,
liquid
aerosol l-g, solid aerosol s-g,
s. foam g-s, s. emulsion l-s, s. suspension s-s
