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

Antimony, 1000ug/ml, 100ml

Fluoride 0.1 µg/mL (F-) in Water, 500ml

Method 200.8/1638/1640 Internal Standard, 10µg/ml in 2%-HNO3, 4x25ml