COD Calibration Standard Back Catalog number: 50434 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2918.8-K-AN Atrazine-d5 (ethyl-d5),1000 µg/mL,acetonitrile,1mL, Price on request 673423 Propham, 100 µg/ml, Acetonitrile, 5ml Price on request 70017 Aroclor 1232 Price on request