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本文利用显微傅立叶变换红外光谱法,对常见的10种不同型号的红色原子印油进行了分析。根据其红外光谱图的特征吸收峰的个数及峰位,能够区分红色原子印油的种类。该方法操作简便、检测快速、结果重现性好,为实际案件中印油的种类鉴别提供了一种适用的检验方法。在种类鉴别基础上,本文还对自然老化,日光照射、紫外光照射及加热老化的红色印油的变化规律进行了研究,为原子印章色痕形成时间的研究提供一定的参考。
In this paper, Fourier transform infrared spectroscopy, the common 10 different types of red atom ink were analyzed. According to the infrared spectrum of the number of characteristic absorption peaks and peak position, can distinguish the type of red atom ink. The method has the advantages of simple operation, rapid detection and good reproducibility of the results, and provides an applicable test method for the identification of the types of ink in actual cases. Based on the identification of species, this paper also studied the variation of natural aging, solar radiation, UV irradiation and heat aging red ink, which will provide some references for the research on the formation time of the atomic seal.