Complexation thermodynamics of α -cyclodextrin with ionic surfactants in water

Accepted Manuscript Complexation Thermodynamics of -Cyclodextrin with Ionic Surfactants in Water Daniel Ondo, Miguel Costas PII: DOI: Reference:

S0021-9797(17)30621-5 http://dx.doi.org/10.1016/j.jcis.2017.05.093 YJCIS 22400

To appear in:

Journal of Colloid and Interface Science

Received Date: Revised Date: Accepted Date:

22 March 2017 24 May 2017 25 May 2017

Please cite this article as: D. Ondo, M. Costas, Complexation Thermodynamics of -Cyclodextrin with Ionic Surfactants in Water, Journal of Colloid and Interface Science (2017), doi: http://dx.doi.org/10.1016/j.jcis. 2017.05.093

This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

t /°C 40

30

20

10

12

ln K11

11 10 -

C12SO4

9

-

C10SO4 -

C8SO4

8

-

C12SO3 +

(a) 7

C14(C1)3N

11

C12(Ph)3P

+

2-

C12PO3

10

C11COO

-

+

9

C12N C5H5

ln K21

+

C12(C1)3N

8

+

7 6 5 4

(b) 3.1

-

C12(C1)2N C3SO3

3.2

3.3

3.4 -1

1000T / K

3.5 -1

r

-1

H11 / (kJ·mol )

-20 -25 -30 -35 -

C12SO4

-40

-

C10SO4 -

C8SO4

-45

-

C12SO3

(a)

+

C14(C1)3N

C12(Ph)3P

r

(b)

+

2-

C12PO3

-1

H21 / (kJ·mol )

-30

-

C11COO

-40

+

C12N C5H5 +

C12(C1)3N

+

-50 -60 -70 280

-

C12(C1)2N C3SO3

290

300

T/K

310

320

1.0

Xi

(a)

(b)

(c)

0.5

0.0 0.0

0.5

1.0

1.5

R = ct,S/ct,CD

0.0

0.5

1.0

1.5

R = ct,S/ct,CD

0.0

0.5

1.0

1.5

R = ct,S/ct,CD