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Thermodynamic Properties of the Solvent Extraction of Anions with TRIS(1,10-Phenanthroline)iron(II) Chelate Cations

 

作者: Y. Yamamoto,   T. Tarumoto,   E. Iwamoto,  

 

期刊: Analytical Letters  （Taylor Available online 1969）
卷期: Volume 2, issue 1  

页码: 1-7

 

ISSN:0003-2719

 

年代: 1969

 

DOI:10.1080/00032716908051265

 

出版商: Taylor & Francis Group

 

关键词: phenthroline-iron(II);solvent extraction;halides;thermodynamic quantities

 

数据来源: Taylor

 

摘要:

Thermodynamic quantities were determined for the extraction of ion pairs of tris(1,10-phenanthroline) iron(II) chelate cations with halide, thiocyanate and perchlorate anions from aqueous phase into nitrobenzene. Ion pairs with larger anions have more negative enthalpy changes with higher extractability. For bromide, the enthalpy change was found to be almost zero and a positive change was observed for chloride. Entropy changes are also discussed.

 

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