Copper (Cu) Back Catalog number: 58129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1978.17-K-IO 4-n-Nonylphenol monoethoxylate, 1000µg/ml in Isooctane, 1ml Price on request 1134.14-K-ME n-Tetradecane Price on request 70394 Benzonitrile Price on request