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Analytical characterization of ancient mortars from the archaeological roman site of Pisões (Beja, Portugal)

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Academic year: 2021

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Table 2 illustrates the XRD mineralogical composition of the mortar samples. Results show that all the mortars present a calcitic aerial lime binder
Fig. 3. CO 2 to structurally bound water ratio in relation to % CO 2 of the different samples.
Fig. 5. Images at stereozoom microscope of polished sections mortar samples P1 (a), P2 (b) and PB1 (c).
Fig. 9. a) Mortar P7 showing calcium-aluminosilicate hydrates (CASH) in an aggregate interface; b) EDS spectrum corresponding to CASH products; c) colour superposition of elemental X-ray maps of silicon (green), calcium (blue) and aluminium (red) of mortar

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