Special Mix Primary Standardmg/L ± 0.5% in 5% HNO31600 Na, Mg, Ca, K 800 Fe 400 Al 200 As, Ba, Cd, Cu, Cr, Zn, Ni, Mn, Be80 Pb, Se, Tl 20 Ag
Component Elemental Symbol CAS Number Concentration Units
Silver Ag 7440-22-4 20 mg/L
Arsenic As 7440-38-2 200 mg/L
Barium Ba 7440-39-3 200 mg/L
Cadmium Cd 7440-43-9 200 mg/L
Copper Cu 7440-50-8 200 mg/L
Chromium Cr 7440-47-3 200 mg/L
Lead Pb 7439-92-1 80 mg/L
Selenium Se 7782-49-2 80 mg/L
Thallium Tl 7440-28-0 80 mg/L
Zinc Zn 7440-66-6 200 mg/L
Nickel Ni 7440-02-0 200 mg/L
Sodium Na 7440-23-5 1600 mg/L
Magnesium Mg 7439-95-4 1600 mg/L
Manganese Mn 7439-96-5 200 mg/L
Iron Fe 7439-89-6 800 mg/L
Calcium Ca 7440-70-2 1600 mg/L
Aluminum Al 7429-90-5 400 mg/L
Potassium K 7440-09-7 1600 mg/L
Beryllium Be 7440-41-7 200 mg/L
Silicon Si 7440-21-3 400 mg/L
Sulfur S 7704-34-9 400 mg/L
Antimony Sb 7440-36-0 200 mg/L