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2Integrating Authentic Research into the General Chem Lab: Ionic Liquids Module

Gary W. Earl,Brian G. Moore,Duane E. Weisshaar,Miles Koppang,Krisma DeWitt

2007ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY（2007）

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3Bringing Authentic Research Into The General Chemistry Laboratory Curriculum: Northern Plains Undergraduate Research Center

Miles Koppang,Mary T. Berry,Andrew G. Sykes,Gary W. Earl,Duane Weisshaar,Brian G. Moore,Krisma Dewitt

2007ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY（2007）

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4Integrating Authentic Research On Ionic Liquids Into The General Chemistry Laboratory At A Small Liberal Arts College And A Public University

Miles Koppang,Justin Meyer,James D. Hoefelmeyer,Lynn Riley,Mary T. Berry,Krisma Dewitt

2007ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY（2007）

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5EFFECTS OF DPA2- LIGATION AND Ph ON EUROPIUM(III) IN A BIPHASIC IONIC LIQUID/WATER SYSTEM

E. L. Duncan,Mary T. Berry,Krisma DeWitt, James A. Martin

Europium Chloride (EuCl3) was dissolved in the ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate (BMIM PF6). Deionized water was added to the liquid, creating a biphasic system. The europium(III) was thus extracted quantitatively into the water phase. Addition of three equivalents of dipicolinate, DPA2 - (pH=6), resulted in aqueous phase Eu(DPA)3 2- . The DPA/Eu(III) ratio was increased to 10:1 and the pH decreased, moving the europium into the ionic liquid phase. Using luminescence spectroscopy the movement of europium was monitored.

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