Gun Shot Residue Single Element Kit Back Catalog number: 52257 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9245.8-100MG Acetaminophene-d4 (Paracetamol-d4), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 64315-36-2 Price on request 2780.9-100-AN Ethion Price on request 56135 Oil & Grease - Calibration Standard Price on request