by Police - Bureau of Police Research and Development
by Police - Bureau of Police Research and Development
by Police - Bureau of Police Research and Development
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The Indian <strong>Police</strong> JournalThe cyan ink <strong>of</strong> both printers differs at the R f<strong>of</strong> 0.76, whereas similarat the R f<strong>of</strong> 0.50.Magenta Ink <strong>of</strong> both printers differs at the R f<strong>of</strong> 0.29, 0.34, 0.62, 0.73,whereas similar at R f0.48.Yellow ink <strong>of</strong> both printers differs at 0.63 f0.23, 0.32, 0.35 whichresembles 0.49, 0.63, 0.65 & 0.72. Slight variation in R f<strong>of</strong> somespots always remains due to different ink composition.•AcknowledgementsCorresponding author is thankful to Director-cum-Chief Forensic Scientist,Directorate <strong>of</strong> Forensic Science, Government <strong>of</strong> India, New Delhi forproviding <strong>Research</strong> Fellowship. The authors would like to thank Shri A.K.Ganjoo, Director, CFSL, Hyderabad for permitting us to carry out thiswork in his esteemed laboratory.References1. Thin Layer Chromatography, A Laboratory H<strong>and</strong>book, edited <strong>by</strong> EgonStahl, 2nd edition, 1969. Journal <strong>of</strong> Chromatography, 81 (1973), 181-186.3. Brunelle, Crawford, “Advances in the Forensic Analysis <strong>and</strong> Dating <strong>of</strong>4. Poon N.L., Ho SSH, Li CK, “Differentiation <strong>of</strong> Colored Inks <strong>of</strong>Inkjet Printer Cartridges <strong>by</strong> Thin Layer Chromatography <strong>and</strong> HighPerformance Liquid Chromatography”, Science & Justice, 45 (2005),187-194.January - March, 2013167
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