应用化学 ›› 1990, Vol. 0 ›› Issue (2): 95-97.

• 研究简报 • 上一篇    

稀释剂对P538萃取Fe(Ⅲ)的影响

于秀芳, 张洪林   

  1. 曲阜师范大学化学系 山东曲阜 273165
  • 收稿日期:1989-06-28 修回日期:1989-08-11 出版日期:1990-04-10 发布日期:1990-04-10

THE INFLUENCE OF DILUENT ON THE EXTRACTION OF IRON(Ⅲ)WITH P538

Yu Xiufang, Zhang Honglin   

  1. Department of Chemistry, Qufu Teachers Univeysity, Qufu, Shandong 273165
  • Received:1989-06-28 Revised:1989-08-11 Published:1990-04-10 Online:1990-04-10

摘要: 前文[1]探讨了P538(ROP(O)(OH)2,R=C12—C18)在煤油中萃取Fe(Ⅲ)的机理,本文在此基础上研究了稀释剂对萃取Fe(Ⅲ)的影响,并按正规溶液理论[2,3],讨论了不同稀释剂的溶解度参数与分配比之间的关系。

关键词: 萃取, 磷酸酯, 高铁离子

Abstract: As a supplement to previous work this paper deals with the extraction of Fe(Ⅱ)fromnitrate solution with P538 at 30℃in various diluents: toluene, benzene, hexane, cyclohe-xane, kerosene, methylene chloride and carbon tetrachloride. The relationship between the distribution ratio D and solubility parameter δof diluentwas found as: lgD=-0.653+0.294δ-0.026δ2 at hi gher loading lgD=1.741-0.250δ +0.0083δ2.

Key words: extraction, phosphate, iron(Ⅲ)