Copper - 20 PPM Back Catalog number: 50594 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0629.20-K-IO 2,6,10,14-Tetramethylhexadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 638-36-8 Price on request VHG-SDSL-100-100 Sulfur Standard: S @ 100 µg/g (0.0100 wt%) in #2 Diesel Fuel Price on request 3338.12-100-CY Chlorfenvinphos, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 470-90-6 Price on request