PCB No. 81, 10µg/ml in Isooctane, 10ml Back Catalog number: L20008100IO Availability: In the manufacturer's stock Price on request - + Recommended 3751.6-K-IO 1,2,3,5-Tetrachlorobenzene, 1000µg/mLin Isooctane, 1ml Price on request 95228 Morpholine Standard Price on request DF-IS-B200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request