Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: NK-ST-A4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 71378 4,4’-Diamino-3,3’-dimethyldiphenylmethane Price on request 0483.16-200-T Benzo[b]naphtho[1,2-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-43-6 Price on request 2031.12-50-NN 2,7-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request