| Abstract: | Silver metal-membrane filters are commonly used as substrates in the preparation of oriented clay-mineral specimens for X-ray powder diffraction (XRD). The silver metal-membrane filters, however, present some problems after heat treatment if either the filters or the samples contain significant amounts of chlorine. At elevated temperature, the chloride ions react with the silver substrate to form crystalline compounds. These compounds change the mass-absorption coefficient of the sample, reducing peak intensities and areas and, therefore, complicating the semiquantitative estimation of clay minerals. A simple procedure that eliminates most of the chloride from a sample and the silver metal-membrane substrate is presented here. |
| Genre: | Article |
| ProdID: | 70015585 |
| Citation Author: | Poppe, L. J.; Commeau, J. A.; Pense, G. M. |
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| Citation End Page: | 384 |
| Citation Issue: | 4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Clays and Clay Minerals |
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| Citation Number Of Pages: | 4 |
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| Citation Search Results Text: | Effect of chlorine in clay-mineral specimens prepared on silver metal-membrane mounts for X-ray powder diffraction analysis; 1989; Article; Journal; Clays and Clay Minerals; Poppe, L. J.; Commeau, J. A.; Pense, G. M. |
| Citation Start Page: | 381 |
| Citation Volume: | 37 |
| Citation Year: | 1989 |
| Type: | citation/reference |
| Text: | Effect of chlorine in clay-mineral specimens prepared on silver metal-membrane mounts for X-ray powder diffraction analysis; 1989; Article; Journal; Clays and Clay Minerals; Poppe, L. J.; Commeau, J. A.; Pense, G. M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1989 00:00 -0600 |
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