Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended 57424 Chromium (Cr), 1µg/ml in 2%-HNO3 / Water, 100ml Price on request WM-75CST-34 Mercury Standard, 1000µg/g in 75 cSt Base oil, 50g Price on request 54105 Phosphate (PO4-3) as P, 1000µg/ml in Water, 100ml Price on request