黑根霉对藏文档案矿物颜料字迹耐久性的影响

The Effect of Rhizopus Nigricans on Durability of Mineral Pigments and Handwriting in Tibetan Archives

以西藏地区常用的20种矿物颜料为研究对象,通过霉菌短期和长期作用的实验测试,定量分析霉菌对矿物质形成字迹的影响。实验结果显示,霉菌对不同矿物颜料字迹有不同的影响,霉菌作用21天时,不同种类颜料字迹颜色发生了较明显的差异性改变;随着实验时间延长,20种颜料字迹颜色都发生明显改变。雄黄、粉红、淡雄黄、藏青、暗红和朱砂等颜料字迹色差在短时间内已改变非常明显;青三绿、灰色和仁布白粉颜料字迹在霉菌作用下,短时间几乎没有改变,但经过长时间(102天),其色差也发生明显改变。本研究实验结果说明霉菌对藏文档案矿物质颜料字迹影响较大,由此破坏档案原件,在保管过程中要加强其预防措施,防治霉菌滋生。

In this paper,20 kinds of mineral pigments commonly used in Tibet were selected as research objects,and the effect of mould on mineral pigments and handwriting was quantitatively analyzed through shortterm and long-term experiments.The experimental results showed that mold had different effects on different kinds of mineral pigments and handwriting.After 21 days of mould action,different kinds of mineral pigments and handwriting changed differently.As the experiment went on,all the 20 mineral pigments and handwriting changed significantly.Red orpiment,pink,orpiment,dark blue,dull-red and cinnabar has changed very obviously in a short time.The handwriting of malachite,gray and magnesite hardly changed in a short time under the action of mold,but after a long time(102 days),they also changed obviously.The experimental results obtained in this study indicate that mold has a great influence on the mineral pigments and handwriting of Tibetan archives and damages the original archives.In the storage process,it is necessary to strengthen the preventive measures to prevent the breeding of mold.