Ni @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PNIN-100 Availability: In the manufacturer's stock Price on request - + Recommended VHG-TSW-100 S @ 10000 µg/mL in H2O, 100ml Price on request 59929 Fluoride (F-), 1.0µg/mL in Water, 500ml Price on request 57424 Chromium (Cr), 1µg/ml in 2%-HNO3 / Water, 100ml Price on request