Alternate Metals Kit Back Catalog number: 52095 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673527 2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 56229 Copper (Cu) Price on request 676594 D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml Price on request