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利用能量色散X射线荧光(EDXRF)探针技术,对取自湖北巴东旧县坪遗址的一件胎釉间带有一层白色物质的白瓷样品进行线扫描分析.结果表明,该白色层状物的化学组成与胎釉均有显著差异,且其化学组成与中国北方所产的以高岭石为主要矿物组成的黏土相符.因此,推断旧县坪遗址出土的这种白瓷胎釉间的白色层状物,是以高岭石为主要矿物组成的黏土制作的化妆土,而非在烧制过程中产生的反应层.
A white ceramic sample with a layer of white substance in the fetal glaze taken from the site of Juxianping Site in Badong, Hubei Province was analyzed by energy dispersive X-ray fluorescence (EDXRF) probe technique. The results showed that the white lamella Chemical composition of the material and the glaze have significant differences, and its chemical composition and produced in northern China to kaolinite as the main mineral composition of the clay.Therefore, infer the old county site unearthed white porcelain glaze Of the white layer, kaolinite as the main mineral clay made of makeup soil, rather than in the firing process of the reaction layer.