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Calcite crystal growth inhibition by humic substances with emphasis on hydrophobic acids from the Florida Everglades

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Calcite crystal growth inhibition by humic substances with emphasis on hydrophobic acids from the Florida Everglades; 2000; Article; Journal; Geochimica et Cosmochimica Acta; Hoch, A. R.; Reddy, M. M.; Aiken, G. R.

Summary

The crystallization of calcium carbonate minerals plays an integral role in the water chemistry of terrestrial ecosystems. Humic substances, which are ubiquitous in natural waters, have been shown to reduce or inhibit calcite crystal growth in experiments. The purpose of this study is to quantify and understand the kinetic effects of hydrophobic organic acids isolated from the Florida Everglades and a fulvic acid from Lake Fryxell, Antarctica, on the crystal growth of calcite (CaCO3). Highly reproducible calcite growth experiments were performed in a sealed reactor at constant pH, temperature, supersaturation (Ω = 4.5), PCO2(10−3.5atm), and ionic strength (0.1 M) with various concentrations of organic acids. Higher plant-derived aquatic [...]

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Author :
A.R. Hoch, M.M. Reddy, G.R. Aiken
Publisher :
Elsevier

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Harvested on Mon Jul 21 11:38:08 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown 70022504
local-pk unknown 70022504
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1016/S0016-7037(99)00179-9
series unknown Geochimica et Cosmochimica Acta

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journalGeochimica et Cosmochimica Acta
parts
typevolume
value64
typeissue
value1
languageEnglish
citationTypeArticle

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