Sulfate (SO4-2), 1000µg/ml in Water, 500ml

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

Si @ 10000 µg/mL in H2O, tr. F-, 100ml

Na, 1000 µg/mL in 5% HNO3, 100ml