PCB Mix 3.0 ppb Back Catalog number: 95275 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BPB 2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol Price on request AC-AQ40-015 Aqueous ethanol control EtOH AQ (4.0g/L), 10x1,5ml Price on request MCPS Mass-Labelled Chlorophenol Solution/Mixture, 1.2ml, isooctane Price on request