Table 7 The magnitudes of \({\Delta G}_{m,tr}^{0}\), \({\Delta H}_{m,tr}^{0}\), and \({\Delta S}_{m,tr}^{0}\) for the NaDS + (1.001 mmol kg–1) OFC mixed system in various aq. K-salts media.

From: Association and binding nature of sodium dodecyl sulfate with ofloxacin antibiotic drug in potassium-based electrolyte solutions: a conductometric and UV–Visible spectroscopic investigation

Medium

Csalts

(mmol kg−1)

T

(K)

\({\Delta G}_{m,tr}^{0}\)

(kJ mol−1)

\({\Delta H}_{m,tr}^{0}\)

(kJ mol−1)

\({\Delta S}_{m,tr}^{0}\)

(J mol−1 K−1)

H2O + KCl

5.011

298.15

− 1.611

6.853

28.39

303.15

− 1.919

4.765

22.05

308.15

− 1.969

2.548

14.66

313.15

− 1.612

0.247

5.938

318.15

− 1.616

− 2.210

− 1.870

323.15

− 1.225

− 4.756

− 10.93

H2O + KNO3

5.001

298.15

− 1.514

6.488

26.84

303.15

− 1.859

4.413

20.69

308.15

− 1.885

2.203

13.27

313.15

− 1.482

− 0.091

4.442

318.15

− 1.422

− 2.540

− 3.512

323.15

− 1.011

− 5.076

− 12.58

H2O + KHSO4

4.999

298.15

− 2.363

6.427

29.48

303.15

− 2.657

4.319

23.01

308.15

− 2.618

2.075

15.23

313.15

− 2.380

− 0.277

6.715

318.15

− 2.254

− 2.782

− 1.659

323.15

− 1.777

− 5.377

− 11.14

H2O + K2SO4

5.013

298.15

− 1.803

5.742

25.31

303.15

− 2.183

3.627

19.16

308.15

− 2.223

1.380

11.69

313.15

− 1.863

− 0.952

2.909

318.15

− 1.823

− 3.439

− 5.079

323.15

− 1.446

− 6.015

− 14.14

  1. Relative standard uncertainties (ur) limits are ur(\({\Delta G}_{m,tr}^{0})\) = ± 3%, ur(\({\Delta H}_{m,tr}^{0}\)) =  ± 3% and ur(\({\Delta S}_{m,tr}^{0}\)) =  ± 4%.