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

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

Phosphorus, 10,000ug/ml, 100ml

Fluoride (F-), 10µg/mL in Water, 500ml