Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682920 Quinclorac, 100 µg/ml, Acetonitrile, 5ml Price on request 3788.12-K-IO Musk ambrette, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83-66-9 Price on request 57121 Scandium (Sc) Price on request