Gold (Au) Back Catalog number: 58279 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3800.12-100-IO 3'-Fluoro-2,4,4',5-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 54141A Ferrous Iron (Fe) Price on request 11739.12-100-IO 2,2',3,4,4',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request