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Cited by 309

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

The dissolution of quartz in dilute aqueous solutions of organic acids at 25°C

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Bennett, P.C., Melcer, M.E., Siegel, D.I., Hassett, J.P.·1988·Geochimica et Cosmochimica Acta

Abstract

The dissolution of quartz in dilute aqueous solutions of organic acids at 25° and standard pressure was investigated by the batch dissolution method. The bulk dissolution rate of quartz in 20 mmole/Kg citrate solutions at pH 7 was 8 to 10 times faster than that in pure water. After 1750 hours the concentration of dissolved silica in the citrate solution was 167 μmole/Kg compared to 50 μmole/Kg in water and a 20 mmole/Kg solution of acetate at pH 7. Solutions of salicylic, oxalic, and humic acids also accelerated the dissolution of quartz in aqueous solution at pH 7. The rate of dissolution in organic acids decreased sharply with decreasing pH. The possibility of a silica-organic acid complex was investigated using UV-difference spectroscopy. Results suggest that dissolved silica is complexed by citrate, oxalate and pyruvate at pH 7 by an electron-donor acceptor complex, whereas no complexation occurs between silica and acetate, lactate, malonate, or succinate. Three models are proposed for the solution and surface complexation of silica by organic acid anions which result in the accelerated dissolution and increased solubility of quartz in organic rich water.

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Metadata

Authors
Bennett, P. C., Melcer, M. E., Siegel, D. I., & Hassett, J. P.
Venue
Geochimica et Cosmochimica Acta
Publisher
Elsevier BV
Published
1988-06
Volume
52
Issue
6
Pages
1521-1530
ISSN
0016-7037 (ISSN-L)
OpenAlex
W2075484023
Cited by
309
References
33
FWCI
13.76
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: The dissolution of quartz in dilute aqueous solutions of organic acids at 25°C. https://app.cochat.ai/papers/10.1016/0016-7037(88)90222-0
The paper
Bennett, P. C., Melcer, M. E., Siegel, D. I., & Hassett, J. P. (1988). The dissolution of quartz in dilute aqueous solutions of organic acids at 25°C. Geochimica et Cosmochimica Acta. https://doi.org/10.1016/0016-7037(88)90222-0

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