Iodide (I), 1000µg/mL in Water, 100ml

Aluminum Standard: Al @ 1000 µg/mL in 5% HNO3, 100mL

Total Cyanide (CN-), 100µg/ml in in H2O/NaOH,100ml

Cr @ 1000 µg/mL in 5% HCl, 100ml