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A novel method for the selectional removal of the harmful gypsum weathering layer on the calcareous stone heritages was studied. By this method, the gypsum weathering layer was cleared away and the carbonate substrate of the calcareous stone was left intact at the same time. The removal effect was evaluated by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDX), X-ray diffraction (XRD), capillary suction and color difference measurement. This selectional removal method will be highly helpful for the conservation of the surface weathering calcareous stone relics.
Keywords
removal, gypsum weathering layer, conservation, calcareous stone heritages
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This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Research article
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 02 Jul, 2020
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
A novel method for the selectional removal of the harmful gypsum weathering layer on the calcareous stone heritages was studied. By this method, the gypsum weathering layer was cleared away and the carbonate substrate of the calcareous stone was left intact at the same time. The removal effect was evaluated by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDX), X-ray diffraction (XRD), capillary suction and color difference measurement. This selectional removal method will be highly helpful for the conservation of the surface weathering calcareous stone relics.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
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