Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57014 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8634.17-05-AN U{13C17}-Aflatoxin B1, 0.5µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request M2PFHXDA Perfluoro-n-[1,2-13C2]hexadecanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 78018 MCPP Price on request