Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51166 VPH Primary Calibration Spike Rev 1.1 Price on request 8227.13-100 Pirimiphos-ethyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23505-41-1 Price on request 96120 Semi-Volatile Mix Price on request