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Conservation Institute Home Science Current Projects Salt Research: Mechanisms of Salt Decay and Methods of Mitigation Project Components
Project Components
Salt Research: Mechanisms of Salt Decay and Methods of Mitigation

The components of the project include:

Component One: Fundamental Research on Salt Damage

  • Time-lapse visualization of salt damage under different climatic conditions.
  • Study of potential crystallization inhibitors.
  • Hygroscopic dilatation of salt-laden sandstone in response to climatic cycles.
  • Extension of the ESEM for quantitative measurement of water vapor pressure, temperature, and relative humidity.
  • Quantification of deliquescence behavior for sodium chloride, sodium sulfate, sodium nitrate, and mixtures.
  • The calcium sulfate system: microscale behavior and chemical reconversion.

Component Two: Salt Reduction/Desalination

  • Analytical issues: how to measure salt concentrations in porous substrates.
  • Reproducible laboratory salination in test cubes.
  • Physico-mechanical behavior of desalination poultices.
  • Desalination efficiency of poultices, renderings, and rinsing.
  • Artificial stone as a salt-accumulating and/or sacrificial rendering.
  • Estimate of secondary damage, problem of salt deposition in adjacent zones.
  • Salt and moisture transport mechanisms.

Component Three: Education and Dissemination

  • Visualization of salt decay process under time-lapse conditions.
  • Distribution and maintenance of salt research bibliography.
  • SALTeXPERT Advanced Course and Workshop, Prague, Czech Republic.
  • Training of conservators and scientists in methods of salt removal and analysis.
  • Peer-reviewed publications.

Project Components

Component One

Component Two

Component Three


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See Also

Past Science Projects

About GCI Science

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