1,3,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1367-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-J Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request P287595-50MG Perfluorobutylphosphonic Acid, 50mg Price on request 96716 Surrogate Standard Price on request