This is a two part test to determine whether a surface has been exposed to a discharged firearm. A rapid color change takes place to verify the presence of nitrates and lead. Kit contains instructions and enough materials for 30 tests.

WARNING: This product can expose you to chemicals including Methanol/Methyl isobutyl ketone, which is known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov

Kit Includes:
1 x 5mL Diphenylamine Sulfuric Acid Solution
1 x 0.025g Sodium Rhodizonate
1 x 5mL Lead Nitrate, 0.05M Aqueous Solution
20 Alcohol Swabs