WS Sulphate / TOC Back Catalog number: 54148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3728.12-50-IO 5'-Fluoro-2,3,3',4,5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 8211.11-K-AN n-Butyraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 676670 N,N-Dimethylnicotinamide-2-sulfonamide, 10mg Price on request