2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-28 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 675749 Dichlofenthion, 10 µg/ml, Ethyl acetate, 10ml Price on request 66204 PCB No. 204, 100µg/ml in Isooctane, 1ml Price on request 50733 Chloride (Cl-) Price on request