Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54504 Nitrite (NO2-) as N Price on request 52258 Paint Chip Analysis Single Element Kit Price on request 3262.17-K-IO Methyl 9-cis-hexadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1120-25-8 Price on request