Issue 18, 2005
From the journal:

Chemical Communications

Phosphonate mediated surface reaction and reorganization: implications for the mechanism controlling cement hydration inhibition

Corina Lupu,a   Rolf S. Arvidson,b   Andreas Lüttge*bc  and  Andrew R. Barron*ac  

* Corresponding authors

a Department of Chemistry, Rice University, MS-60, 6100 Main Street, Houston, Texas, USA

b Department of Earth Science, Rice University, Houston, Texas, USA

c Center for Biological and Environmental Nanotechnology, Rice University, Houston, Texas, USA
E-mail: arb@rice.edu
Web: www.rice.edu/barron

Abstract

Vertical scanning interferometry and XPS show the reaction of CaCO3 with the hydration retarder nitrilo-tris-(methylene)phosphonic acid follows a pathway of dissolution of the calcium followed by precipitation of a calcium phosphonate; subsequent surface reorganization/restructuring of the calcium phosphonate exposes the underlying CaCO3 for further hydration.

Graphical abstract: Phosphonate mediated surface reaction and reorganization: implications for the mechanism controlling cement hydration inhibition

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Article information

DOI
https://doi.org/10.1039/B500192G
Article type
Communication
Submitted
05 Jan 2005
Accepted
28 Feb 2005
First published
16 Mar 2005

Chem. Commun., 2005, 2354-2356

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Phosphonate mediated surface reaction and reorganization: implications for the mechanism controlling cement hydration inhibition

C. Lupu, R. S. Arvidson, A. Lüttge and A. R. Barron, Chem. Commun., 2005, 2354 DOI: 10.1039/B500192G

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