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Strengtheninig of whitish degraded porous limestone by suspension of nanoparticles of calcium hydroxide in alcohol
Slížková, Zuzana ; Frankeová, Dita
Limestone, which is damaged (degraded) in its surface layer, and having a suitable pore size, ie. that contain cracks or pores with a diameter greater than one micron, it is possible to consolidate by calcium hydroxide in the form of particles of a size of hundreds of nanometers. Suspension (also called dispersion, a colloidal sol) of nano-particles of calcium hydroxide in ethanol, may have different concentrations and can be applied to damaged limestone one or more times in various amounts, depending on its concentration and properties of the stone. The procedure specifies the limestone material tests carried out before the intervention and the possibility of minimizing whitish haze on the surface of the treated stone.
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Plný tet: 0448865_2015_Slizkova_Frankeova_Zpevneni_belaveho_degradovaneho_porezniho_vapence_suspenzi_nanocastic_hydroxidu_vapenateho_v_alkoholu_PP_4 - Download fulltextPDF

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