2?-Ethyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg, Back Catalog number: 11021.32-5UG Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-D40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 71605 Chlorotrifluoroethene Price on request 50824 Conductance @ 20°C [500 µmho/cm] Price on request