红外光谱技术对广东博罗横岭山商周时期墓地出土古玉器上蜡工艺的揭示及其意义

Study on the Wax Enhancement for the Unearthed Jade Wares by FTIR Technique from Ancient Tombs of Shang-Zhou Period in Henglingshan Site of Boluo County Guangdong Province

广东博罗横岭山商周时期墓地是广东省目前所发现的最重要的商周时期墓葬群，该墓地出土的玉器样品通过一系列的科学鉴定研究后发现，玉器的红外光谱在2960cm^-1（相对较弱）、2920和2853cm^-1附近出现了2～3个明显的特征性吸收峰，结合对纯蜡样品、现代上蜡玉器样品的测试比较，认为博罗横岭山墓地出土玉器在加工过程中曾经经过上蜡处理，首次揭示出商周时期岭南先民掌握了在加工中利用蜡来增加玉器美观技术的事实。

The ancient tombs of Hhenglingshang site in boluo county are the most significant graveyard site of Shang-Zhou period in Guangdong province as yet. Based on a series of scientific studies on the jade samples from these tombs, the authors found that there are 2-3 characteristic peaks at 2 960 cm^-1 （quite poor）, 2 920 and 2 853 cm^-1 in the infrared spectra. According to the tests and analyses of the infrared spectra of pure waxes and other modern jade wares treated with wax, the authors believe that these unearthed jade wares were enhanced with wax and the ancestors of Lingnan region in Shang-Zhou period （1600B. C. -221 B. C. ） probably understood treating jade wares with wax to enhance their appearance.