Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57014 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 3407.26-100 tau-Fluvalinate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 102851-06-9 Price on request 70250 Phenol, 1000µg/ml in MeOH, 1ml Price on request 1165.12-K-IO 2,2,4,4-Tetramethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 62183-79-3 Price on request