Colorimetric Barium Detection of Gunshot Residues on Cadaveric Human Skin: A Pilot Application for Forensic Purposes.

The evidence obtained with Na-R-Ba OH 0.2% makes this method, applied here for the first time ever, worthy of further study. Meanwhile, although this technique can certainly be applied, it cannot be separated from the contextual colorimetric investigation for lead and the use of more sophisticated techniques.