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

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

Nitrate (NO3-) as N, 1000µg/mL in Water, 500ml

Chloride (Cl-), 1000µg/mL in Water, 500ml