The lacquer ware objects of NangNang were treated for conservation and seven of them were studied on the manufacturing technic. When we examined them using microscopes and an SEM-EDS analysis, the lacquer layer was proved to consist of two parts: the ground and the upper lacquer. The ground coating was made of several mixed materials such as powdered bone and minerals. Many forms of powdered bone were observed. We could find out that HgS, PbO and AgS were used as pigments. We could also find out a specific process and materials were used for those objects, although we could not say definitely what they were because the number of the sample was not big enough
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