Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57029 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 3659.6-1ML 1,4-Dibromobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-37-6 Price on request 2656.12-100-IO 3-Fluoro-2,2',5-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 72420 Ethyl propionate Price on request