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The discrimination potential of ultraviolet-visible spectrophotometry, thin layer chromatography, and Fourier transform infrared spectroscopy for the forensic analysis of black and blue ballpoint inks.
J Forensic Sci. 2008 Nov; 53(6):1468-73.JF

Abstract

The knowledge of the discriminating power of analytical techniques used for the differentiation of writing inks can be useful when interpreting results. Ultraviolet-visible (UV-VIS) spectrophotometry, thin layer chromatography (TLC), and diffuse reflectance Fourier transform infrared spectroscopy (FT-IR) were used to examine a population of 21 black and 12 blue ballpoint writing inks. Based on corroborative results of these methods, the discrimination power for UV-VIS, TLC, and FT-IR was determined to be 100% and 98% for the black and blue inks, respectively. Generally, TLC and UV-VIS can be used to differentiate the colorant components (i.e., dyes and some pigments) found in inks. As FT-IR can be utilized to identify some of the noncolorant components, it was determined to be an excellent complementary technique that can be implemented into an analytical scheme for ink analysis.

Authors+Show Affiliations

Dipartimento di Scienze Chimiche dell'Università, via Marzolo 1, 35131 Padova, Italy. valerio.causin@unipd.itNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

18752549

Citation

Causin, Valerio, et al. "The Discrimination Potential of Ultraviolet-visible Spectrophotometry, Thin Layer Chromatography, and Fourier Transform Infrared Spectroscopy for the Forensic Analysis of Black and Blue Ballpoint Inks." Journal of Forensic Sciences, vol. 53, no. 6, 2008, pp. 1468-73.
Causin V, Casamassima R, Marega C, et al. The discrimination potential of ultraviolet-visible spectrophotometry, thin layer chromatography, and Fourier transform infrared spectroscopy for the forensic analysis of black and blue ballpoint inks. J Forensic Sci. 2008;53(6):1468-73.
Causin, V., Casamassima, R., Marega, C., Maida, P., Schiavone, S., Marigo, A., & Villari, A. (2008). The discrimination potential of ultraviolet-visible spectrophotometry, thin layer chromatography, and Fourier transform infrared spectroscopy for the forensic analysis of black and blue ballpoint inks. Journal of Forensic Sciences, 53(6), 1468-73. https://doi.org/10.1111/j.1556-4029.2008.00867.x
Causin V, et al. The Discrimination Potential of Ultraviolet-visible Spectrophotometry, Thin Layer Chromatography, and Fourier Transform Infrared Spectroscopy for the Forensic Analysis of Black and Blue Ballpoint Inks. J Forensic Sci. 2008;53(6):1468-73. PubMed PMID: 18752549.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The discrimination potential of ultraviolet-visible spectrophotometry, thin layer chromatography, and Fourier transform infrared spectroscopy for the forensic analysis of black and blue ballpoint inks. AU - Causin,Valerio, AU - Casamassima,Rosario, AU - Marega,Carla, AU - Maida,Pietro, AU - Schiavone,Sergio, AU - Marigo,Antonio, AU - Villari,Antonino, Y1 - 2008/08/25/ PY - 2008/8/30/pubmed PY - 2008/8/30/medline PY - 2008/8/30/entrez SP - 1468 EP - 73 JF - Journal of forensic sciences JO - J Forensic Sci VL - 53 IS - 6 N2 - The knowledge of the discriminating power of analytical techniques used for the differentiation of writing inks can be useful when interpreting results. Ultraviolet-visible (UV-VIS) spectrophotometry, thin layer chromatography (TLC), and diffuse reflectance Fourier transform infrared spectroscopy (FT-IR) were used to examine a population of 21 black and 12 blue ballpoint writing inks. Based on corroborative results of these methods, the discrimination power for UV-VIS, TLC, and FT-IR was determined to be 100% and 98% for the black and blue inks, respectively. Generally, TLC and UV-VIS can be used to differentiate the colorant components (i.e., dyes and some pigments) found in inks. As FT-IR can be utilized to identify some of the noncolorant components, it was determined to be an excellent complementary technique that can be implemented into an analytical scheme for ink analysis. SN - 1556-4029 UR - https://www.unboundmedicine.com/medline/citation/18752549/The_discrimination_potential_of_ultraviolet_visible_spectrophotometry_thin_layer_chromatography_and_Fourier_transform_infrared_spectroscopy_for_the_forensic_analysis_of_black_and_blue_ballpoint_inks_ L2 - https://doi.org/10.1111/j.1556-4029.2008.00867.x DB - PRIME DP - Unbound Medicine ER -
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