Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57029 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 0189.3-1ML 1-Propanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-03-9 Price on request 680172 Isobutylparaben, 100mg Price on request 679254 EGDN, 100 µg/ml, Acetonitrile, 1ml Price on request