1Department of Chemistry, S.G.T.B. Khalsa College, University of Delhi, Delhi - 110007.
2Department of Chemistry, Rajguru College of Applied Sciences for Women (University of Delhi), Jhilmil Colony, Vivek Vihar, Delhi - 110095.
3Department of Forensic Science, Punjabi University, Patiala - 147002.
A novel fingerprint dusting composition based on an organic dye. Congo Red (I) has been prepared. The proportion of the dye in the formulation is 1%, the remaining being an adhesive mixture of meshed aluminum, boric acid, talc and barium carbonate. The powder gives sharp and clear prints on a wide range of absorbent and non-absorbent surfaces, including multi-colored ones.
Congo Red, Criminalistics, Fingerprints, Powder
