Copper - 20 PPM Back Catalog number: 50594 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0275.24-10MG Dibenzo[j,l]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 203-18-9 Price on request 672829 Thifensulfuron-methyl, 100mg Price on request 2962.13-100-IO Pendimethalin-d5 [N-(1-ethyl-1',1'-d2; propyl-1,2,2-d3)], 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-39-0 Price on request