Table 3

Melting points (Tm), crystal activities (axstal), solubilities (S(s)MeOH) and activity coefficients (γMeOH) in methanol. Methanol-PDMSe partition ratios (KPDMS/MeOH) and activity coefficients (γPDMS) in the PDMS for 12 PAHs

Compound

Tm

axstala, b

S(s)MeOH (± SD)b, c

γMeOHd

KPDMS/MeOHe

γPDMSe, f


K

mM

M-1

LL-1

M-1

Nap

354

0.288

500

(± 23.5)

0.6

0.56

1.0

Ace

367

0.210

103.20

(± 0.82)

2.0

0.68

3.0

Flo

385

0.131

114.63

(± 2.41)

1.1

0.53

2.2

Phe

372

0.188

112.43

(± 6.51)

1.7

0.41

4.1

Ant

489

0.013

6.12

(± 0.13)

2.2

0.38

5.7

Flu

383

0.146

53.42

(± 5.05)

2.7

0.38

7.1

Pyr

425

0.058

31.64

(± 0.39)

1.8

0.49

3.8

BaA

433

0.047

10.37

(± 0.47)

4.6

0.30

15.0

Chr

529

0.005

0.70

(± 0.02)

7.8

0.29

27.1

BkF

489

0.013

1.49

(± 0.11)

8.9

0.27

32.6

BaP

454

0.029

3.49

(± 0.06)

8.4

0.30

27.9

Ind

435

0.045

1.64

(± 0.03)

27.6

0.33

83.5

a Equation 4

b T = 298 K (25°C)

c n = 3

d γMeOH = axstalS(s)MeOH-1

e Silastic® PDMS

f Equation 3


Reichenberg et al. Chemistry Central Journal 2008 2:8   doi:10.1186/1752-153X-2-8

Open Data