Mass-Labelled DDT & Related Compound Mix, 2µg/ml in Nonane, 1,2ml Back Catalog number: MDET-MXA Availability: In the manufacturer's stock Price on request - + Recommended BB-77 3,3',4,4'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 72693 Heptanoic acid Price on request 59283 Sodium (Na) Price on request