Abstract
New and inexpensive fluorescent powders have been prepared and used for the development of latent fingermarks on non-porous and semi porous surfaces. 10mM solutions of rhodamine 6G and basic yellow 40 dyes were used to prepare dye coated fluorescent silica gel powders. Results of these new fluorescent powders were compared with results of commercially available fluorescent powders. The new powders have shown results comparable with those of commercially available powders so can be easily prepared and used as an alternate, if commercial fluorescent powders are not available.
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