Ion Chromatography Standardmg/L ± 0.5% in H2O4000 SO42000 Br, Cl, PO4 as P1000 F, NO3 as N, NO2 as N
Component Elemental Symbol CAS Number Concentration Units
Sulfate  SO4  7778-80-5  4000  mg/L
Chloride  Cl  NA  2000  mg/L
NO3 as N  N  7631-99-4  1000  mg/L
Phosphate as P  P  7722-16-1  2000  mg/L
Bromide  Br  7647-15-6  2000  mg/L
Fluoride  F  7681-49-4  1000  mg/L
NO2 as N  N  7727-37-9  1000  mg/L