Medical Marijuana Heavy Metals Calibration Back Catalog number: 50712 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79315 Dichlorvos Price on request 92605 WS PAH Calibration Level 4 Price on request 2767.12-50-ME 1H,1H,2H,2H-Perfluorododecan-1-ol, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 865-86-1 Price on request