Ion transport and crystallization in inorganic building materials as studied by nuclear magnetic resonance

Pel, L and Huinink, H P and Kopinga, K (2002) Ion transport and crystallization in inorganic building materials as studied by nuclear magnetic resonance. Applied Physics Letters, 81 (15). p. 2893. ISSN 00036951

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Official URL: http://dx.doi.org/10.1063/1.1512329

Abstract

Salt weathering is a major cause of deterioration of buildings and monuments of cultural heritage. We have determined the underlaying moisture and ion transport within a representative building material by measuring the time evolution of NaCl-saturated samples during one-sided drying using nuclear magnetic resonance. The measured NaCl concentration profiles reflect the competition between advection to the surface and redistribution by diffusion. By representing the measured moisture and NaCl profiles in an efflorescence pathway diagram (EPD) the crystallization is also taken into account. The pathways followed in the EPD indicate that for historical objects in general, crystallization at the surface cannot be avoided.

Item Type:	Article
Uncontrolled Keywords:	Salt; Moisture transport; NMR; Crystallization
Subjects:	?? Salt ?? English > Damage functions > Salt damage ?? monitor ??
Depositing User:	Anna Samuelsson
Date Deposited:	09 Jun 2008 08:11
Last Modified:	04 Apr 2017 12:52
URI:	http://eprints.sparaochbevara.se/id/eprint/419

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