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Kaolinite synthesis at 25??C

Science

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Abstract

The addition of quercetin, an organic flavone (C15H 10O7), to aqueous solutions containing silica and aluminum and adjusted to final pH's from 6.5 to 8.5 produced a 1 : 1 aluminosilicate precipitate which, after 6 to 16 months of aging in solution at 25??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 crystalline material even after 2 years of aging.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Kaolinite synthesis at 25??C
Series title:
Science
Volume
184
Issue:
4142
Year Published:
1974
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
1171
Last page:
1173
Number of Pages:
3