Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended 59927 Fluoride (F-), 10µg/mL in Water, 500ml Price on request VHG-PFEN-100 Fe, 1000 µg/mL in 5% HNO3, 100ml Price on request 54139 Sulfide (S), 1000µg/mL in Water, 3 x 20ml Price on request