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

CONOSTAN 1000ppm Standard, Co, 50g

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

Phosphate (PO4-3) as P, 1000µg/ml in Water, 100ml