Sample No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Melting point TM˚C

75.9

74.4

75.9

73.4

72.3

66.8

65.9

65.4

65.2

62.3

71.5

74.2

70

49.3

Enthalpy ∆Hc kJ/g

71.31

154.52

131.6

138.8

143.9

148.4

126.5

124.3

131.6

143.9

140.5

126.6

135.3

143.9