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Tof-sims Study Of Red Sealing-inks On Paper And Its Forensic Applications

机译：纸上红色印章油墨的Tof-sims研究及其法医学应用

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摘要

Red sealing-ink samples are frequently submitted to forensic laboratories for identification and comparison in a wide variety of criminal and civil cases. The non-destructive identification of sealing-inks on paper is of important to preserve as large an amount of a fraudulent check, forged document, or other such evidence as possible for use in legal proceedings. Time-of-flight secondary ion mass spectrometry (TOF-SIMS) for the analysis of red sealing-inks on paper surfaces was investigated. TOF-SIMS spectra were employed to identify elements and organic compounds in red sealing-inks. An analysis was performed on five sealing-inks of red color manufactured in Korea, Japan, and China. Several fibers from specific sealing-ink sample on paper can be removed leaving little evidence of tampering and can be distinguished from other sealing-inks. Overlapped area of sealing-ink and ballpoint pen in the document was also investigated in order to identify the sequence of recording. Therefore, this study shows that TOF-SIMS is a useful technique for the non-destructive analysis of red sealing-inks on paper.
机译：红色密封油墨样品经常提交给法医实验室，以在各种刑事和民事案件中进行识别和比较。纸上密封墨水的非破坏性识别对于保留尽可能多的欺诈支票，伪造文件或其他此类证据以用于法律程序非常重要。研究了飞行时间二次离子质谱（TOF-SIMS），用于分析纸表面的红色密封油墨。 TOF-SIMS光谱用于鉴定红色密封油墨中的元素和有机化合物。对在韩国，日本和中国生产的五种红色密封油墨进行了分析。可以清除纸张上特定密封墨水样品中的几根纤维，几乎没有篡改的迹象，并且可以与其他密封墨水区分开。为了确定记录顺序，还对文档中密封墨水和圆珠笔的重叠区域进行了研究。因此，这项研究表明，TOF-SIMS是一种对纸张上红色密封油墨进行无损分析的有用技术。

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