Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: DF-ST-B Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 78004 2,4-D Price on request 54135 Oil & Grease - Calibration Price on request 1118.20-200-T Dinaphtho[1,2-b;2',3'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-90-7 Price on request