(1)Assay:99.0 ~ 100.5%
(2)Loss on drying :=< 0.5%
(3)Acidity and alkalinity :=< 0.1%
(4)Bromides :=< 0.01%
(5)Heavy metals (as Pb): =< 0.0005%
(6)Arsenic :=< 0.0001%
(7)Potassium :=< 0.05%
(8)Sulfates :=< 0.02%
(9)Phosphates :=< 0.0025%
(10)Aluminum :=< 0.00002%
(11)Nitrites :=< 0.01%
(12)Iron :=