Abstract
The present paper shows how a standard volumetric adsorption device can be used to measure solvent desorption isotherms on gels. As gels are very soft materials, they shrink significantly during the measurement, and the data have to be analyzed in terms of the mechanical properties of the gel’s skeleton. Methanol desorption isotherms are measured on a series of silica gels, and the results are compared with independent characterizations, notably beam bending.
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Gommes, C.J., Noville, F. & Pirard, JP. Characterization of gels via solvent desorption measurements. Adsorption 13, 533–540 (2007). https://doi.org/10.1007/s10450-007-9037-1
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DOI: https://doi.org/10.1007/s10450-007-9037-1