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Asian Journal of Research in Chemistry
Year : 2016, Volume : 9, Issue : 6
First page : ( 245) Last page : ( 254)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2016.00041.9

Application of UV-Visible Spectrophotometry to Differentiate Inkjet Printer Inks Extracted from Printed Matter

Sharma Rashmi1,*, Baggi T.R.2, Gupta A.K.3

1Senior Scientific Assistant, Forensic Science Laboratory Rohini, GNCT of Delhi, Delhi-110085

2Academic Coordinator, Forensic Science Unit, Department of Chemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh, 500007

3Head, Department of Forensic Science, SHIATS, Allahabad, U.P.-211007

*Corresponding Author E-mail: rrashmi_amity@yahoo.com

Online published on 1 October, 2016.

Abstract

The UV-Visible absorbance profile of cyan, magenta, yellow and black coloured inkjet printer inks for the differentiation and comparison was obtained by scanning the ink extracts under the wavelength range of 200–800 nm. The various parameters of absorption studies of extracts of different components of printer ink formulations in the visible and UV region enables to differentiate and distinguish different colour print document samples of distinct composition by their characteristic absorbance spectra and profile pattern.

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Keywords

UV-Vis Spectroscopy, Inkjet printer inks, Cyan, Magenta, Yellow, Black.

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