A rapid and direct method for dating blue pen ink in documents using multiset modeling of infrared spectroscopy and mass spectrometry data
Kauanny B. N. Braga,
Lanaia Í. L. Maciel,
Boniek G. Vaz
et al.
Abstract:A rapid and simple method for dating pen ink was developed, employing FTIR-ATR, DESI-MS, and data fusion modeling, which resulted in a predictive model with an error margin of ±5 years for pen inks of documents dating from 1960 to 2022.
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