Quick Answer:The Gunshot Residue Presumptive Test Kit is a two-part test showing whether a surface has been exposed to a discharged firearm, giving a rapid colour change for nitrates and lead, with materials for 30 tests.
Last updated: 18 October 2026
Key Features
Two-part presumptive test.
Rapid colour change indicates nitrates and lead.
Enough materials for 30 tests.
Instructions included.
Technical Specifications
Specification
Value
Tests
30
Detects
Nitrates and lead
Format
Two-part colour test
How It Is Used
Students test a sample taken from a surface in two stages; a quick colour change shows the presence of nitrates and lead, the residues of a discharged firearm, which makes it a presumptive screening test in a forensic investigation.
Frequently Asked Questions
What does the Gunshot Residue Presumptive Test Kit detect?
It gives a rapid colour change for nitrates and lead, in a two-part test showing whether a surface has been exposed to a discharged firearm.
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