CONOSTAN Standard S-21+K, 885 ppm, 200g

CONOSTAN 1000ppm Standard, Na, 50g

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

Strontium Standard: Sr @ 1000 µg/mL in 5% HNO3, 100mL