Density Analysis By Magnetic Levitation | May 24, 2010 Issue - Vol. 88 Issue 21 | Chemical & Engineering News
Volume 88 Issue 21 | p. 32 | Concentrates
Issue Date: May 24, 2010

Density Analysis By Magnetic Levitation

Harvard chemists have devised a simple tool for analyzing food and water based on density
Department: Science & Technology
News Channels: Analytical SCENE
Keywords: magnetic levitation, MagLev, density

Using the magic of magnetic levitation, Harvard University chemists have devised a simple, inexpensive, and portable tool for food and water analysis based on density (J. Agric. Food Chem., DOI: 10.1021/jf100377n). Magnetic levitation, or MagLev, uses magnetic fields to suspend objects. The phenomenon can be applied to measure density and estimate chemical composition on the basis of differences in density. Katherine A. Mirica, Scott T. Phillips, Charles R. Mace, and George M. Whitesides . . .

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