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 52145A Method 200.8/1638/1640 Internal Standard, 10µg/ml in 2%-HNO3, 4x25ml Price on request 59929 Fluoride (F-), 1.0µg/mL in Water, 500ml Price on request