Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57014 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8222.11-100-AN Carbophenothion Price on request 678026 4-n-Octylphenol-mono-ethoxylate, 10mg Price on request 3724.18-K-ME Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, 1000µg/mL in MeOH, 1ml Price on request