Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SCP150-100-825 CONOSTAN 1000ppm Standard, Pb, 50g Price on request 0415.12-150-CY n-Dodecane, ?13C: -32.54, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 112-40-3 Price on request 676232 Pyrazophos, 100 µg/ml, Methanol, 1ml Price on request