Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57029 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2519.6-500MG 4-Aminophenol, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 123-30-8 Price on request 678360 Fluensulfone, 100 µg/ml, Acetonitrile, 1ml Price on request 12027.7-K-ME n-Pentyl acetate,1000 µg/mL,MeOH,1mL, Price on request