Fermentation Standard Back Catalog number: 97122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79114 2,4’-DDE, 1000µg/ml in Hexane, 1ml Price on request 8880.12-100-IO 2,4-Dichlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 33284-50-3 Price on request DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request