Calibration Standard Mix 2 Back Catalog number: 53044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 41716 Benzo(a)pyrene, 100µg/ml in Acetonitrile, 1ml Price on request 682817 Propylene carbonate, 1000mg Price on request 2501.13-10-T 1-Methyldibenzothiophene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 31317-07-4 Price on request