Cr @ 1000 µg/mL in 5% HCl, 100ml

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

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

PE CLP Inst Calib Mix 4 in 5pct HNO3