Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended 51245 Total Cyanide (CN-), 100µg/ml in in H2O/NaOH,100ml Price on request 54501 Chloride (Cl-), 1000µg/mL in Water, 500ml Price on request VHG-INO3-100 Nitrate Standard: NO3-, 1000µg/ml in Water, 100ml Price on request