Copper (Cu) Back Catalog number: 57229 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71233 Octachlorostyrene, 1000µg/ml in MeChl, 1ml Price on request 10033 EPA Method 617/8080/8250/8270 - Analytes Price on request 9723.29-100-IO Nonacosanoic acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4250-38-8 Price on request