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Title: An X-ray study of the ethylene glycol-montmorillonite complex
Authors: Dartmouth College. Department of Geology
Reynolds, Robert C., 1927-
Keywords: Glycols
X-ray crystallography
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Description: Research Report
Summary: Oriented aggregates of ethylene glycol-montmorillonite were studied by X-ray spectrometric methods. Basal reflections, through the 00 14, provided the basis for structural analysis by Fourier and trial and error methods. On the basis of the intensity data, it is concluded that glycol molecules form a staggered, two-layered complex; water molecules and exchangeable cations lie close to but not coincident with a plane that separates the two glycol layers. The glycol molecules in each layer are disposed in c-axis face-centered array. They are oriented so that the plane of symmetry of the aliphatic chain parallels the c-axis. This proposed structure is a two-layer modification of a previously described glycoi-vermiculite structure.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Research Report

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