WS Sulphate/TOC Back Catalog number: 55070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1661.9-K-IO 1,1,1,3-Tetrachlorononane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1070-27-5 Price on request 93994 Benzo(b)fluoranthene Price on request 14953.6-50-AN N-Ethyl-n-perfluorobutanesulfonamide (N-EtFBSA), 50μg/ml in Acetonitrile, 1ml Price on request