Distinguishing and dating carbonless copy papers by ultra-high-performance liquid chromatography and mass spectrometry
作者： Ya-Bing Fan , Yuan Liu , Jing Yu , Xiang-Feng Wang , Hai-Ling Liu
DOI: 10.1016/J.DYEPIG.2014.09.038
关键词:
摘要: Abstract A method to differentiate between carbonless copy papers and date the ink entries on those has been developed based ultra-high-performance liquid chromatography mass spectrometric methods. total of 52 paper samples were distinguished classified according compositional differences reflected by their chromatograms, with a discrimination power as high 99.3%. The degradation kinetics common dye, crystal violet lactone, was investigated, quantitative determination for dye its decomposition products established. results showed that relative peak area both versus aging time exhibits satisfactory linearity, which utilized samples. Overall, this work details an approach can discriminate different basis describes rate be used age authenticate entries.
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