Gun Shot Residue Back Catalog number: 52326 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73309 Methyl 11-eicosenoate (C20:1n-9) Price on request 684411 Trichloromethane, 5ml Price on request 683744 N-Nitrosomorpholine, 100mg Price on request