Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3554.28-K-T 9,9'-Bianthracene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1055-23-8 Price on request 675505 Spinosad, 10.0 µg/ml, Acetonitrile, 10ml Price on request 0978.10-K-IO Naphthalene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1146-65-2 Price on request