BlueClue Gunpowder Presumptive Test

BlueClue is a field test for the detection of nitrates found in gunpowder.  You get instant presumptive results.

• Lift the gunshot residue from the suspect area using the included transparent lifter.
• Place the lifter inside the included bag. Break the included ampule.
• Place the ampule in the bag and close it. After several seconds small blue specks will appear to indicate a positive presumptive result for nitrates in gunpowder.
• The kit includes more detailed directions