Acta Phys. -Chim. Sin. ›› 1987, Vol. 3 ›› Issue (06): 668-671.doi: 10.3866/PKU.WHXB19870621

• Note • Previous Articles    

ENTHALPIES OF VAPORIZATION OF α-AND β-PINENE

An Xuwu; Hu Riheng; Wang Hu; Wu Mali; Zou Yongkuang   

  1. Institute of Chemistry, Academia Sinica, Beijing
    Department of Chemistry, Zhongshan (Sun Yatsen) University, Guangzhou
  • Received:1986-08-07 Revised:1987-03-23 Published:1987-12-15

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Abstract: The enthalpies of vaporization of α-Pinene (99.7%) and β-Pinene (99.7%) have been determined at 25.0 ℃ by using a LKB-8721-3 Vaporization Calorimeter, ΔH_v~o are 44.57±0.06 and 45.80±0.08 kJ mol~(-1) respectively.