Atrazine, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673203 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-1347-S 1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 41816 Benzo(k)fluoranthene Price on request 97051 Formaldehyde Price on request