Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57014 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 71717 1-Phenyltridecane Price on request 3400.10-100 Fenoprop methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 4841-20-7 Price on request 674232 Fenthion-oxon, 10.0 µg/ml, Acetonitrile, 1ml Price on request