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Preliminary Study of the Targeted Cleaning of an Artificial Gypsum Layer on White Marble

机译:白色大理石上人工石膏层的初步研究

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摘要

Targeting cleaning of the artificial gypsum layer on white marble was studied. It was conducted by means of the specific depletion of the calcium and sulfate ions by the barium carbonate scavenger, which led to the continuous dissolution and clearance of gypsum layer. The cleaning 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. By this method, only the gypsum layer was cleared away and the carbonate substrate of marble was left intact at the same time. This method will be highly useful for the conservation of marble relics from surface weathering.
机译:研究了在白色大理石上进行人造石膏层的清洁。 通过碳酸钡清除剂的钙和硫酸盐离子的特异性耗尽来进行,这导致了石膏层的连续溶解和间隙。 通过扫描电子显微镜与能量分散X射线光谱(SEM / EDX),X射线衍射(XRD),毛细管吸入和色差测量来评估清洁效果。 通过这种方法,仅清除石膏层,并且同时保持大理石的碳酸盐基材。 这种方法对于从表面风化的大理石遗物的保护非常有用。

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