Blue Foot Print Spray - Forensics Drug Detection With that said

With that said

Each wipe is sensitive to trace amounts of residue

hand-held colorimetric drug detection and drug identification test for benzodiazepine

amphetamines or MDMA

The Mayer's reagent can also be used in drug detection for amphetamines

Blue Foot Print Spray - Forensics Drug Detection With that saidBlue is a unique tool for the development of footprints. Spraying directly on a non porous surface will reveal the pattern of any undisturbed footprint that exists. The pattern will appear blue on a yellow background. It can be used on wooden, stone and linoleum floors and similar surfaces, which makes it an easy tool for footprint visualization, when casting is not an option.