4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2038.12-50-NN 2,8-Dichlorodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request NK-ST-A4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 1011.4-1G 1,3-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-23-7 Price on request