1,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1467-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-F40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 79333 1,4-Dinitrobenzene Price on request 79407 Benzo(k)fluoranthene Price on request