【摘要】：河北臨漳縣曹村窯出土的青黃釉陶器殘片表面覆蓋著一層有光暈的層狀腐蝕物。為了明確這層腐蝕物的來源,以便為后續(xù)的考古修復(fù)提供參考,采用了顯微觀察(OM)、能量色散X射線熒光(EDXRF)、X射線衍射(XRD)、拉曼光譜分析(RAMAN)、傅立葉變換紅外光譜(FTIR)等方法對該腐蝕物進(jìn)行了分析。結(jié)果表明腐蝕物可分為三層,最上層土褐色,中間金黃色,最下層銀白色,主要成分是白鉛礦和石英。曹村窯地下埋藏環(huán)境很潮濕,釉中的鉛離子和土壤中的碳酸根等可溶性鹽類在表面析出。沉積物與釉面的接觸并不緊密,故水份仍能進(jìn)入空隙繼續(xù)溶蝕。反復(fù)進(jìn)行后層次不斷增多。達(dá)到一定厚度時(shí),由于光線的干涉作用,就產(chǎn)生銀白色光澤,氧化鐵含量較高時(shí)便呈現(xiàn)金黃色甚至土褐色。目前,器物上的"銀釉"作為一種歷史的記錄,一般不予去除,在保存中要注意防潮,防污染。
[Abstract]:The surface of green and yellow glazed pottery unearthed in Caocun kiln, Linzhang County, Hebei Province is covered with a layer of halo layered corrosion. In order to clarify the source of corrosion in this layer and provide reference for subsequent archaeological restoration, (OM), energy dispersive X-ray fluorescence (EDXRF), X-ray diffraction (XRD), Raman spectroscopy was used to analyze (RAMAN),. The corrosion was analyzed by Fourier transform infrared spectroscopy (FTIR). The results show that the corrosion can be divided into three layers, the top layer is brown, the middle is golden, the lower layer is silver and white, and the main components are white lead ore and quartz. The underground buried environment of Caocun kiln is very humid, and soluble salts such as lead ion in glaze and carbonate in soil precipitate on the surface. The contact between sediment and glaze is not close, so the moisture can still enter the gap and continue to dissolve. After repeated progress, the level continues to increase. When the thickness is reached, silver and white luster will be produced due to the interference of light, and golden or even brown soil will appear when the content of iron oxide is high. At present, as a historical record, silver glaze on utensils should not be removed, so attention should be paid to moisture proof and pollution prevention in preservation.
【作者單位】： 首都博物館;
【分類號(hào)】：K876.3

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