PCB Congeners & Hexachlorobenzene Mix #1 Back Catalog number: 95450 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11931.12-10MG N-Ethyl-N-(2-hydroxyethyl)perfluorooctylsulphonamide,neat,neat,10mg, Price on request 59076 Fluoride (F-) Price on request ERM-BD017 Sponge Cake – Proximates, 10ml Price on request