PCB No. 189, 10µg/ml in Isooctane, 10ml Back Catalog number: L20018900IO Availability: In the manufacturer's stock Price on request - + Recommended 70313 1-Methylnaphthalene Price on request DF-IS-E Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 73690 Tridocosahexaenoin Price on request