Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57014 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 92780 1,4-Dioxane-d8 Price on request 1948.19-10MG 3-Fluoro-4-methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 10531.8-1G 3-Hydroxyindole Price on request