Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3319.6-100-DC alpha-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-84-6 Price on request 1927.12-50-IO 4'-Fluoro-2,3',6-tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-86-7 Price on request 684571 D10-Napropamide, 100 µg/ml, Acetonitrile, 1ml Price on request