Metals Mix - 4 Back Catalog number: 59947 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA20645000AL Benzo(e)pyrene, 100 µg/mL in Acetonitrile, 1ml Price on request 92525 Surrogate Standard Price on request 70113 Dibenzo(a,h)pyrene Price on request