Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1696459 | Applied Clay Science | 2008 | 8 Pages |
Abstract
In the context of producing industrial-grade hydrotalcite-like (HT) materials containing phosphate and sulfate for use as slow-release fertilizers, the ease with which nitrate-HT can be converted to phosphate-HT and sulfate-HT has been examined. Graded amounts of di-ammonium hydrogen phosphate and ammonium sulfate were added to nitrate-HT, while maintaining pH at 9.5, to produce substitutions ranging from approximately 50% to 100%. Chemical and X-ray diffraction analysis of the products confirmed that the substitution could be easily effected by simple topotactic exchange.
Keywords
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Authors
G.P. Gillman, M.A. Noble, M.D. Raven,