A paraffin test is a forensic science procedure used to detect gunshot residue (GSR) on a person's hands to determine if they have recently fired a gun. The test involves applying melted paraffin wax to the hands, which hardens into a cast that is then peeled off. This wax cast traps gunpowder particles (containing nitrates) that can be chemically analyzed for the presence of nitrates, indicating recent firearm discharge. While a positive result suggests contact with gunshot residue, the test is

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