Reference Fish Tissue Extract (Isooctane/20% Salmon Oil), 3g, Isooctane Back Catalog number: WMF-EX Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 690172 m-Phenylenediamine, 100mg Price on request 10523.35-K-T 2-Chloro-1,3-propanediol-dipalmitate, PP-2-MCPD Price on request