Supplemental PAH Standard Back Catalog number: 94193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DFP-LCS-B20 Mass-Labelled PCDDs/PCDFs/PCBs Solution/Mixture, 1.2ml, nonane Price on request 72895 Dibutyltin diacetate Price on request 9711.6-100-ME 2,5-Dihydroxymethyltetrahydrofuran, 100µg/mL, Solvent-, Unit 1mL, # of units-1, Cas.no. 104-80-3 Price on request