Ni @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PNIN-100 Availability: In the manufacturer's stock Price on request - + Recommended 54112 Ammonia as (NH4+) Price on request VHG-SMIN-5000-100 Sulfur, 5000µg/g (0.500 wt%) in 75 cSt Mineral Oil, 100ml Price on request VHG-PPDN-100 Palladium Standard: Pd @ 1000 µg/mL in 5% HNO3, 100mL Price on request