2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 66128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682135 MGK 264 (technical mixture), 100 µg/ml, Acetonitrile, 5ml Price on request 53029 Spike Sample Standard 2A (Water) Price on request 8203.16-5MG 2-Hydroxypyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 78751-58-3 Price on request