Rezić I, Krstić D, Bokić Lj
Laboratory of Analytical Chemistry, Department of Textile Chemistry and Material Testing, Faculty of Textile Technology, University of Zagreb, Prilaz Baruna Filipovića 30, 10000 Zagreb, Croatia.
Ultrason Sonochem. 2008 Jan;15(1):21-4. doi: 10.1016/j.ultsonch.2007.06.013. Epub 2007 Jul 25.
Ultrasound assisted extraction was applied on the historical textile as the most appropriate sample preparation step for the identification of the resinous binder. Fragile silk banner from the 19th century was analyzed for the presence of different resins. After the ultrasonic extraction with ethyl acetate in the ultrasonic bath, resinous materials and unknown sample from the banner were separated by thin layer chromatography. The multiple developments in benzene-methanol (95:5) system as mobile phase and silica gel layer as stationary phase were applied, and afterwards the video densitometry determination of the components was performed by means of video camera HV-C20. The shellac resin was determined as an important part of the complex binder.
超声辅助萃取应用于该历史纺织品，作为鉴定树脂粘合剂最合适的样品制备步骤。对19世纪的脆弱丝绸旗帜进行分析，以检测不同树脂的存在情况。在超声浴中用乙酸乙酯进行超声萃取后，通过薄层色谱法分离旗帜中的树脂材料和未知样品。采用苯 - 甲醇（95:5）体系作为流动相、硅胶层作为固定相进行多次展开，然后借助HV - C20摄像机对各成分进行视频密度测定。紫胶树脂被确定为复合粘合剂的重要组成部分。
