Group I Elements Starter Kit Back Catalog number: 52253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673373 Methiocarb, 100 µg/ml, Acetonitrile, 5ml Price on request 14500-0240-100CY5 Benzo(e)pyrene, 100µg/ml in Cyclohexane, 5ml Price on request 3489.11-100 Profenofos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 41198-08-7 Price on request