Metals Mix 5B Back Catalog number: 50413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3640.5-K-IO Methyl isobutyrate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 547-63-7 Price on request 673441 Simazine, 100 µg/ml, Acetonitrile, 5ml Price on request BFR-SCS Sampling/Cleanup Standard, 1.2ml, toluene Price on request