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Table 4 The enthalpy of desolvation (T desolv ) of different solvates of ATC

From: Characterisation and evaluation of pharmaceutical solvates of Atorvastatin calcium by thermoanalytical and spectroscopic studies

 

Enthalpy of desolvation, ΔdesolvH (kJ mol−1) from DSC

Enthalpy of desolvation, ΔdesolvH (kJ mol−1) calculated from equation 4

Atorvastatin (ATC)

-

 

Solvate- I (ATC + 0.5 Isopropyl alcohol)

24.20

25.93

Solvate- II (ATC + THF)

51.47

57.17

Solvate- III (ATC + Ethanol)

44.69

34.39

Solvate- IV (ATC + 0.5 t-butanol)

78.85

78.31

Solvate- V (ATC + methanol)

26.27

26.70

Solvate-VI (ATC + 1 Acetone +0.5 Ethanol)

56.74

52.01

Solvate-VII (ATC + 0.5 Ethanol + Water)

104.64

103.96

Solvate- VIII (ATC + 1- butanol)

28.56

31.81