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Kaolinite Synthesis at 25{degrees}C | | J D Hem
; C J Lind
; | | Date: |
14 Jun 1974 | | Journal: | Science, 184 (4142), 1171-1173 | | Abstract: | The addition of quercetin, an organic flavone (C(15)H(10)O(7)), to aqueous solutions containing silica and aluminum and adjusted to final pH’s from 6.5 to 8.5 produced a 1 : 1 alumninosilicate precipitate which, after 6 to 16 months of aging in solution at 25 degrees C, contained as much as 5 percent well-formed kaolinite plates. Similar solutions containing no organic material produced relatively amorphous precipitates with the same composition and stability (standard free energy of formation = -897+/-1 kilocalories per mole) but with substantially smaller amounts of crystaline material even after 2 years of aging. | | Source: | PubMed, pmid17756302 doi: 10.1126/science.184.4142.1171 | | Services: | Forum | Review | Favorites | |
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