Table 6 The magnitudes of \({\Delta G}_{m}^{0}\), \({\Delta H}_{m}^{0}\), \({\Delta S}_{m}^{0}\), and \({\Delta C}_{m}^{0}\) for the association of NaDS + (1.001 mmol kg−1) OFC mixtures in the attendance of different K-salts.

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)

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

(kJ mol−1)

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

(kJ mol−1)

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

(J mol−1 K−1)

\({\Delta C}_{m}^{0}\)

(kJ mol−1 K−1)

(H2O + KCl)

5.011

298.15

− 33.63

4.018

126.3

− 0.481

303.15

− 34.08

1.867

118.6

308.15

− 34.34

− 0.421

110.1

313.15

− 34.56

− 2.828

101.3

318.15

− 34.74

− 5.357

92.36

323.15

− 34.84

− 8.007

83.04

(H2O + KNO3)

5.001

298.15

− 33.53

3.653

124.7

− 0.479

303.15

− 34.02

1.515

117.2

308.15

− 34.26

− 0.766

108.7

313.15

− 34.43

− 3.166

99.85

318.15

− 34.55

− 5.686

90.71

323.15

− 34.63

− 8.326

81.39

(H2O + KHSO4)

4.999

298.15

− 34.38

3.592

127.4

− 0.489

303.15

− 34.82

1.421

119.6

308.15

− 34.99

− 0.894

110.7

313.15

− 35.33

− 3.353

102.1

318.15

− 35.38

− 5.928

92.57

323.15

− 35.39

− 8.627

82.82

(H2O + K2SO4)

5.013

298.15

− 33.82

2.907

123.2

− 0.487

303.15

− 34.35

0.729

115.7

308.15

− 34.60

− 1.589

107.1

313.15

− 34.81

− 4.027

98.31

318.15

− 34.95

− 6.586

89.15

323.15

− 35.06

− 9.265

79.83

  1. Relative standard uncertainties (ur) limits are ur(\({\Delta G}_{m}^{0})\hspace{0.17em}\)=  ± 3%, ur(\({\Delta H}_{m}^{0}\)) =  ± 3%, ur(\({\Delta S}_{m}^{0}\)) ± 4% and ur\(({\Delta C}_{m}^{0})\hspace{0.17em}\)=  ± 4%.