2,4’-DDD, 1000µg/ml in Hexane, 1ml Back Catalog number: 79051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57129 Copper (Cu) Price on request 82508 EPA Method 8250/8250A Cal Check Cmpds Acids Price on request 57048 Cadmium (Cd), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request