L1 /
13
CH3041
COMPLEXATION
• Surface
complex : a
surface functional
group reacts with an
ion or molecule in
solution to form a
stable complex.
surface functional
group reacts with an
ion or molecule in
solution to form a
stable complex.
• Physisorption : a
weak physical
interaction (< 10 kcal/mol)
weak physical
interaction (< 10 kcal/mol)
• Chemisorption :
strong covalent or
ionic bonding (> 20)
strong covalent or
ionic bonding (> 20)
a-FeOOH
H
Fe
O
O
