Disodium methyl arsonate hexahydrate, 500mg

Chromium (Cr), 1µg/ml in 2%-HNO3 / Water, 100ml

Ni @ 1000 µg/mL in 5% HNO3, 100ml

Li @ 100µg/mL in 2% HNO3 (Enriched in Li-6), 100ml