Determination of Distribution Coefficients in 1‐Ethyl‐3‐Methyl Imidazolium Chloride‐Methylimidazole Mixtures by Zone Melting | Zendy

Solà Cervera J. L. | Zendy; Keil P. | Zendy; König A. | Zendy

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Determination of Distribution Coefficients in 1‐Ethyl‐3‐Methyl Imidazolium Chloride‐Methylimidazole Mixtures by Zone Melting

Author(s) -

Solà Cervera J. L.,

Keil P.,

König A.

Publication year - 2010

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.200900555

Subject(s) - crystallization , chloride , chemistry , melting point , chromatography , ion , distribution (mathematics) , analytical chemistry (journal) , organic chemistry , mathematical analysis , mathematics

The first experimental results concerning the differential distribution coefficient, k diff , for crystallization of 1‐ethyl‐3‐methyl imidazolium chloride (EMIMCl) out of EMIMCl‐ methylimidazole (MIM) mixtures (5 wt % MIM) are presented. The mixture was purified using the zone melting technique at a fixed crystallization rate of 1.44 mm/h. For quantification of the MIM content after purification an analytical method consisting of the combination of ion chromatography and UV/Vis detection was developed. A distribution coefficient of k diff = 0.2 was found.

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