WS PCB’s as Decachlorobiphenyl Back Catalog number: 91835 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-F200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 56719 Potassium (K) Price on request 682461 2,5-Dichlorophenol, 1000mg Price on request