Copper (Cu) - 7 PPM Back Catalog number: 50744 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3509.10-100-CY Tetrachlorvinphos, 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 961-11-5 Price on request 674029 Sulfamethoxazole, 250mg Price on request 0263.20-200-T Benzo[b]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-99-2 Price on request