Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended 54103 Nitrate (NO3-) as N, 1000µg/mL in Water, 100ml Price on request 57980 Mercury (Hg), 1µg/ml in 2%-HNO3 / Water, 3 x 20ml Price on request 54139 Sulfide (S), 1000µg/mL in Water, 3 x 20ml Price on request