Copper (Cu) - 2 PPM Back Catalog number: 50591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680236 trans-3-Hydroxycotinine, 100 µg/ml, Methanol, 1m Price on request 2060.6-5K-5IP 2,4,6-Tribromophenol, 5000µg/mL, Solvent-isopropanol, Unit 5mL, # of units-1, Cas.no. 118-79-6 Price on request 2957.9-100-IO Methyl 2,4-dichlorophenoxy-3,5,6-d3-acetate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358731-20-1 Price on request