Niobium (Nb) Back Catalog number: 57041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3205.16-K-IO 9-trans-Hexadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10030-73-6 Price on request 94562 PAH Standard Price on request 675240 Mesotrione, 100 µg/ml, Acetonitrile, 5ml Price on request