Multi-Element Internal Standard Back Catalog number: 50160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3136.11-K-IO Undecanoic acid (Hendecanoic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-37-8 Price on request 1780.10-100-AN 2-Aminonaphthalene,100 µg/mL,acetonitrile,1mL, Price on request 92160 PAH Standard Price on request