Table 8 DSC thermo-gram data of PAK gum samples from the female and the male trees of different regions in Kurdistan province, Iran
From: Chemical composition and thermal properties of Pistacia atlantica subsp. Kurdica gum
Regions | Gender | Glass transition temperature (Tg1) | Glass transition temperature (Tg2) | Peak of melting temperature (Tm) (◦C) | Enthalpy changes (DH) (J g−1) | Heat capacity [Cp (J g−1 k−1] | ||
|---|---|---|---|---|---|---|---|---|
Tg (◦C) | ∆Cp (J g−1 k−1) | Tg (◦C) | ∆Cp (J g−1 k−1) | 15 (◦C) | ||||
Armardeh | Female | − 34.08 | 0.19 | 49.95 | 44.11 | – | – | 1.71 |
Male | − 29.21 | 0.16 | – | – | – | – | 1.78 | |
Kanisoor | Female | − 25.86 | 0.22 | 49.25 | 11.03 | – | – | 1.67 |
Male | − 24.95 | 0.08 | 65.18 | 46.59 | – | – | 1.77 | |
Dezli | Female | − 27.28 | 0.25 | 39.48 | 27.47 | 61.52 | − 0.30 | 1.70 |
Male | − 31.43 | 0.23 | 72.27 | 81.00 | 51.19 | − 0.24 | 1.74 | |
Hawraman | Female | − 27.49 | 0.24 | 46.24 | 3.43 | 63.85 | − 0.17 | 1.68 |
Male | − 27.84 | 0.24 | 64.80 | 30.63 | – | – | 1.79 | |
Sarvabad | Female | − 24.16 | 0.21 | 49.81 | 6.37 | – | – | 1.72 |
Male | − 27.60 | 0.24 | 60.70 | 0.11 | – | – | 1.70 | |
Marivan | Female | − 26.15 | 0.263 | 42.07 | 33.01 | – | – | 1.71 |
Male | − 27.46 | 0.24 | 58.23 | 2.71 | – | – | 1.76 | |