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Fig. 9 | Heritage Science

Fig. 9

From: On-site monitoring of the performance of innovative treatments for marble conservation in architectural heritage

Fig. 9

Crevoladossola marble ΔE*, ΔL* and Δb* values measured on untreated reference area (NT) and on areas with the following treatments: commercial TEOS (T), TEOS-nano-TiO2 treatment (Tn), commercial polysiloxane (S), polysiloxane-based nanocomposite (Sn), commercial alkylalkoxy-silane nanocomposite (CSn), commercial functionalized SiO2 (FS), functionalized SiO2-based nanocomposite (FSn)

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