Raman Spectrometer Detects The Types Of Writing Pens In The Time Series Of Vermilion Ink
Raman Spectrometer Detects The Types Of Writing Pens In The Time Series Of Vermilion Ink

The test of Zhumo time sequence has always been one of the difficulties in forensic identification. Extending the Raman spectrum array surface scanning imaging technology to the study of Zhumo time series can realize non-destructive inspection of inspection materials. In the test of the vermilion ink time series, there are many factors that will affect the test results. In this paper, by testing the vermilion ink time series samples formed by different types of writing pens and the same ink pad or ink, the Raman spectrum array surface scanning imaging is studied by the types of writing pen inks. The technique examines the impact of vermilion and ink timing.
In the experiment, four categories of 188 writing pen inks (inks) were scanned by Raman spectrum. According to the differences and similarities of their Raman characteristic peaks, they were further classified. Black ballpoint pens were divided into 6 categories, blue ballpoint pens into 3 categories, black signature pens into 4 categories, and blue signature pens into 10 categories. The Raman spectra obtained after scanning the printing mud, printing oil and paper are shown in Figure 1 to Figure 3.
Conclusion:
Research showed that the Raman spectra of cinnabar stick sampling array face scan sequence spectrum atlas, through image matching and processing, get a different kind of dry ink and stamp pad ink filters in the paper on the distribution of pseudo color chart, according to the cinnabar stick temporal samples of first chapters before and after words microscopic characteristics, can judge the cinnabar stick sequence. Under the experimental conditions, the ink type of writing pen has no effect on the test results. Due to the fact that the different combinations of zhu and ink materials and the distribution characteristics of ink stains at cross parts are complicated, the relevant research needs to be further carried out.
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