4,4’-DDE Back Catalog number: 98848 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2746.12-50-IO 3'-Fluoro-2,3,4,4',5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request C10202000 4-Amino-2´,3-dimethylazobenzene, certified, 0.25g Price on request 59143 Internal Standard ICP-MS (200.8) Price on request