Pesticide/PCB Surrogate, Mix, 200µg/ml in Acetone, 10 x 1ml Back Catalog number: GS09000055AC Availability: In the manufacturer's stock Price on request - + Recommended 57070 Ytterbium (Yb) Price on request 91318 Acrolein Price on request BB-4 2,2'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request