ICP-MS Memory Check Solution B Back Catalog number: 52121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679598 Promethazine hydrochloride, 250mg Price on request 677714 4-Methylphenol, 100 µg/ml, Acetonitrile, 1ml Price on request 8537.16-10MG n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17851-53-5 Price on request