Copper (Cu) - 7 PPM Back Catalog number: 50744 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11907.20-1G Fluorescein disodium salt dihydrate, 90%,neat,neat,1g, Price on request 673985 Dimethomorph, 100mg Price on request 70979 n-Octacosane Price on request