BlueClue

BlueClue is a presumptive test for gunpowder particles.

This easy to use pouch style product allows you to collect residues by using the adhesive side of a lifter on suspect surfaces, placing lifter back into pouch, and crushing the ampoule of liquid. If gunpowder particles containing nitrates are present, blue specks or smears will be observed.

• A small magnifier is included.
• 10/box