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Table 7 The e-NRTL mode parameters for the ACP in the investigated systems.

From: Effect of protic surfactant ionic liquids based on ethanolamines on solubility of acetaminophen at several temperatures: measurement and thermodynamic correlation

T / K

104 Δgwd

Δgdw

103ΔgCad

103ΔgdCa

103ΔgCaw

103ΔgwCa

ACP (1) + [MEA]La (2) + (water) (3)

 298.15

0.924

2.001

4.144

1.711

− 0.048

− 0.400

 303.15

1.083

1.022

6.794

0.572

− 3.693

− 0.607

 308.15

1.104

1.385

4.354

4.778

− 4.451

− 5.550

 313.15

1.140

1.019

5.096

0.585

− 4.545

− 0.621

T / K

104Δgwd

Δgdw

103ΔgCad

103ΔgdCa

103ΔgCaw

ΔgwCa

ACP (1) + [DEA]La (2) + (water) (3)

 298.15

0.928

2.151

4.541

1.946

− 0.045

− 412.982

 303.15

0.845

0.360

2.195

− 0.349

1.589

364.955

 308.15

1.116

2.464

4.830

0.366

− 4.215

− 403.353

 313.15

1.112

2.460

2.487

0.372

− 6.121

− 409.642

L

104 Δgwd

103Δgdw

103ΔgCad

103ΔgdCa

103ΔgCaw

103ΔgwCa

ACP (1) + [TEA]La (2) + (water) (3)

 298.15

1.850

19.424

4.272

1.380

− 13.690

− 1.822

 303.15

1.094

35.310

3.368

1.157

− 4.974

− 1.465

 308.15

1.076

35.302

3.377

1.155

− 4.994

− 1.463

 313.15

1.107

35.317

3.361

1.150

− 4.961

− 1.462

  1. w = water, d = drug (ACP), Ca = cation cation (2-hydroxyethylammonium (MEA) Bis-2-hydroxyethylammonium (DEA) Tris-2-hydroxyethylammonium (TEA)) and anion (Lauric acid)