Calcium, 1000ug/ml, 100ml

Germanium (Ge), 100 µg/mL in 2%-HNO3 / Water, 4x25ml

Ni @ 1000 µg/mL in 5% HNO3, 100ml

Arsenic Standard: 1000 µg/g As in 75 cSt Hydrocarbon Oil, 50g