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

Fe, 1000 µg/mL in 5% HNO3, 100ml

Complex Cyanide (CN-), 1000µg/ml in Tr. NaOH / Water, 100ml

Phosphate (PO4-3) as P, 1000µg/ml in Water, 500ml