Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended E4071-500ML FE4071 Tin for AAS 1g/L ,500LPF Price on request VHG-SMIN-BLK-100 Sulfur Blank (0 wt%) in 75 cSt Mineral Oil, 100ml Price on request E1141-100ML FE1141 Cobalt ICP 10g/L ,100LPF Price on request