Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended VHG-SMIN-5000-100 Sulfur, 5000µg/g (0.500 wt%) in 75 cSt Mineral Oil, 100ml Price on request 54101 Chloride (Cl-), 1000µg/mL in Water, 100ml Price on request 54503 Nitrate (NO3-) as N, 1000µg/mL in Water, 500ml Price on request