Potassium (K) Back Catalog number: 57719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681362 4-Nitrophenol, 1000mg Price on request 2077.6-1.6K-PXY 2,3,4-Trichlorophenol, 1600µg/mL, Solvent-p-xylene, Unit 1mL, # of units-1, Cas.no. 15950-66-0 Price on request DF-IS-A Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane Price on request