Calibration Standard Mix 3 Back Catalog number: 52012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682818 Propylene glycol, 1000mg Price on request 678251 Selamectin, 10mg Price on request 1266.8-K-ME m-Xylene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 108-38-3 Price on request