Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33611 Chlorotrifluoroethene Price on request 674605 Triclosan, 10.0 µg/ml, Cyclohexane, 10ml Price on request 680442 alpha-HCH, 100 µg/ml, Methanol, 1ml Price on request