Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8873.8-K-IO 2-Acetyl-3,5- and 2-acetyl-3,6-dimethylpyrazine, isomer mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 1261.14-K-IO 2-Butylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1134-62-9 Price on request 677660 Oryzalin, 100mg Price on request