Copper - 20 PPM Back Catalog number: 50594 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10335.16-100-ME O-Desmethylvenlafaxine,100 µg/mL,MeOH,1mL, Price on request 683821 Stevioside, 10mg Price on request M3-B-278-CDF 3-Bromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request