Nitrate Standard: NO3-, 1000µg/ml in Water, 100ml

Tl, 1000 µg/mL in 5% HNO3, 100ml

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

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