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Table 6 Modified Wilson model parameters at the investigated temperatures and MRD% for back-calculated NAP solubility in two investigated binary mixtures of (1-PrOH + EG) and (2-PrOH + EG)

From: Solubility determination, mathematical modeling, and thermodynamic analysis of naproxen in binary solvent mixtures of (1-propanol/2-propanol) and ethylene glycol at different temperatures

T (K)

1-PrOH + EG

2-PrOH + EG

λ12

λ21

MRD%

λ12

λ21

MRD%

293.2

1.555

1.041

6.0

1.563

1.176

1.0

298.2

1.591

1.036

6.2

1.379

1.277

0.7

303.2

1.601

1.051

6.1

1.450

1.266

0.8

308.2

1.725

1.006

6.4

1.298

1.355

0.8

313.2

1.562

1.042

5.8

1.084

1.542

0.9

Overall MRD%

 

6.1

 

0.8