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FORENSIC SHEMISTRY GUN SHOT RESIDUE PRESUMPTIVE TEST KIT\r\n
\r\nDramatic forensic experiments are a great motivator for your chemistry students because the tests show chemistry in action. This forensic kit is a two-part test that determines whether a surface has been exposed to a discharged firearm. A rapid color change takes place when the presence of nitrates and lead is verified. This experiment can be performed as a demonstration, and then results passed around the classroom. Caution: do not discharge firearms around students.
\r\n There is enough material to complete 30 tests. The small amount of pre-measured chemicals makes for faster prep time, easier clean up, and fewer disposal worries.\r\n
\r\n Materials included:\r\n
\r\n 1 ea 5 ml Diphenylamine Sulfuric Acid Soln; Lead Nitrate, 0.05M Soln;\r\n Sodium Rhodizonate, 0.5% Aqueous Soln\r\n
\r\n 20 Alcohol Swabs\r\n
\r\n Instruction manual w/suggested activities.\r\n
\r\nAll twelve Forensic Chemistry Kits are available individually or at a special set discount. See No. 800178.\r\n\r\n