2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 63128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50465 Total Kjeldahl Nitrogen as N Price on request PFS-MXA Native PFSA Solution/Mixture, 2µg/ml in MeOH, 1,2ml Price on request 52317 ICP MS Tuning Solution #3 Price on request