Cam Sep Lect 1 Chromatografia Bronislaw K. Glod

IEC mechanizm
K
d
=
=
( V
( K
M
2
K
1
)[
(1 )[
( c
( c
civi
( VM
VS
)
K V )( V K V
d
S
M
1
S
b
)
b
N
2p
K
K
a
a
)
)
2
2
4K
( c
4K
( c
a
a
b
b
K
K
a
a
)]
)]
=
ln(K 1 ) = ln(K 1
aq
) – s 1 f ln(K 2 ) = ln(K 2
aq
) – s 2 f c b = pH(1-c MeOH /100)
V
V
M
M
2K
2
K2V
K V
1
S
1
S
Equivalent equation can be obtained from eqs (14):
K
d
K
H
]
K
K
M a
= 1[
2
[ H ]
M
Ka
[ H
]
M
=
c
b
( c
b
K
a
)
2
4K
2
( c
a
b
K
a
)