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Important Factors In Permeation Measurement

2013-02-28 15:11:58| dairynetwork Home Page

Graham’s Colloidal Diffusion illustrates the three-step process of permeation through a material. The first step is the sorption of the permeant into the material. Next, the permeant diffuses through the material followed by the final step where it is desorbed from the other side. This entire process is driven by a concentration difference or gradient. Molecules will permeate from the high concentration side of the material to the low concentration side. By Michelle Stevens, MOCON, Inc.

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