2,3,3',4,4',5’,6-Heptachlorobiphenyl Back Catalog number: 63191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EDF-5999 Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Price on request 678423 beta-HCH, 100 µg/ml, Acetonitrile, 5ml Price on request 70421 Urethane, 1000µg/ml in MeOH, 1ml Price on request