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POULTICE FOR REMOVING METAL POLLUTANTS OF SURFACE OF POROUS CULTURAL HERITAGE AND METHOD FOR REMOVING THE METAL POLLUTANTS USING THE SAME
POULTICE FOR REMOVING METAL POLLUTANTS OF SURFACE OF POROUS CULTURAL HERITAGE AND METHOD FOR REMOVING THE METAL POLLUTANTS USING THE SAME
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机译:去除多孔文化遗产表面金属污染物的方法和使用相同方法去除金属污染物的方法
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摘要
PURPOSE: A poultice for removing metal pollutants from the surface of a porous cultural heritage and a method thereof are provided to clean off metal pollutants from a localized region of a porous cultural heritage with a small amount of cleaning agent. CONSTITUTION: A poultice for removing metal pollutants from the surface of a porous cultural heritage comprises oxalic acid as flux and a poulticing material. The poulticing material is bentonite, sepiolite or active carbon fiber. The poulticing material and oxalic acid are mixed at a weight ratio of 1:3-5.
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