Modes of action of a weak acid modifier of calcite growth

被引：7

作者：

Dobson, Phillip S. ^{[1
]}

Bindley, Lucy A.

Macpherson, Julie V.

Unwin, Patrick R.

机构：

[1] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England

[2] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8QQ, Lanark, Scotland

来源：

CHEMPHYSCHEM | 2006年 / 7卷 / 05期

关键词：

atomic force microscopy; calcite; carboxylic acids; crystal growth; surface chemistry;

D O I：

10.1002/cphc.200500469

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Dynamics of crystallization processes: The simple dicarboxylic acid, maleic acid, is shown to have a dual mode of action on the calcite (104) surface (see left atomic force microscopy image of a single calcite microcrystal) in saturated and supersaturated solutions. The monoprotonated form of the acid promotes nanopitting, even in saturated solutions, before subsequently pinning the growth of steps in the acute crystallographic directions, at higher supersaturation (right image). © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：1019 / 1021

页数：3

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