Copper (Cu) - 2 PPM Back Catalog number: 50591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681356 Sanguinarine chloride, 5mg Price on request 1285.26-K-IO 1-Hexacosanol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-52-5 Price on request 2958.8-100-AN Methyl parathion-d6 (dimethyl-d6), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 96740-32-8 Price on request