Calibration Standard 1 Back Catalog number: 52021A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3363.14-K-ME 2,4'-DDT Price on request 674060 D5-Chloridazon, 100 µg/ml, Acetonitrile, 1ml Price on request 95450 PCB Congeners & Hexachlorobenzene Mix #1 Price on request