Polyethylene - Trace elements (low level), 100g Back Catalog number: ERM-EC680K Availability: In the manufacturer's stock Price on request - + Recommended 94042 Hydrocarbon Mix #1 Price on request DF-IS-F40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2045.6-1ML 2-Hexanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 591-78-6 Price on request