ICP Mix 15, 1000µg/mL in 2% HNO3, 100ml

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

CONOSTAN 1000ppm Standard, W, 50g

Cu @ 1000 µg/mL in 5% HNO3, 100ml