应用化学 ›› 1996, Vol. 0 ›› Issue (3): 117-118.

• 研究简报 • 上一篇    

Fe(Ⅲ)的水解聚合作用的热力学性质的微量热法研究

于秀芳   

  1. 曲阜师范大学化学系 曲阜 273165
  • 收稿日期:1995-10-16 修回日期:1996-01-15 出版日期:1996-06-10 发布日期:1996-06-10

Microcalorimetric Study on the Thermodynamic Property of Hydrolytic Polymerization of Iron(Ⅲ) Ion

Yu Xiufang   

  1. Department of Chemistry, Qufu Normal University, Qufu 273165
  • Received:1995-10-16 Revised:1996-01-15 Published:1996-06-10 Online:1996-06-10

摘要: 前已报道在强酸性介质中稀释剂对 P538萃取 Fe(Ⅲ)的影响以及三价铬离子的水解聚合作用的热力学性质.本文用微量量热仪测定 Fe(Ⅲ)水解聚合的热效应,求出不同温度水解平衡常数及有关的热力学函数.

关键词: 三价铁离子, 水解平衡常数, 热力学函数, 微量热法, 热谱图

Abstract: The thermograms of hydrolytic polymerization of Fe(Ⅲ)have been obtained using a thermal activity monitor.The heat of reaction(△rHmφ),the hydrolysis equilibrium constants(Kφ)and thermodynamic functions(△rGmφ,△rSmφ)at different temperatures have been calculated.

Key words: iron(Ⅲ)ion, hydrolysis equilibrium constant, thermodynamic function, microcalorimetry, thermogram