Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90975 1,2:3,4-Diepoxybutane Price on request S-4339-1-10IOX5 Routine Biomarker Internal Standard Coctail 7 0978,10 Naphthalene-d10 1336,12 Acenaphthylene-d8 0389,14 Phenanthrene-d10 0329,16 Pyrene-d10 1088,20 Benzo[a]pyrene-d12 Concentration: 1µg/ml in isooctane Price on request 90463 1,2,3-Trimethylbenzene Price on request