Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98234 Benzene [50 ppm] Price on request 0290.17-200-T 2-Methylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 33543-31-6 Price on request 8732.30-K-IO Di-n-undecyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-20-2 Price on request