4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673538 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MDF-1234689-1 1,2,3,4,6,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane Price on request 679982 (-)-Nicotine, 100 µg/ml, Methanol, 1ml Price on request 40025 EPA Method 630/630.1 Stock Solution #2 Price on request