1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1239-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1739.12-K-T 3,3'-Dinitrobenzidine, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6271-79-0 Price on request M-8020-10X-PAK Aromatic Volatile Org. Mix, 2.0mg/mL in MeOH,5x1ml Price on request 52065 Spiking Standard 2 Price on request