Gun Shot Residue Back Catalog number: 52326 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1684.17-10MG Benzanthrone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 82-05-3 Price on request 673485 Boscalid (Nicobifen), 100 µg/ml, Ethyl acetate, Price on request 92798 Aroclor 1248 Price on request