Requirements | Specifications |
Assay | 97.0-102% |
Identification | To pass test |
Loss on drying | 6.5-10% |
Chloride | 0.07% Max. |
Oxalic acid | No turbidity |
Sulfate | 0.1% Max. |
Arsenic | 3ppm Max. |
Ferric iron | 2.0% Max. |
Lead | 10ppm Max. |
Mercury | 3ppm Max. |
Reducing sugars | No red precipitate formed |
Organic volatile impurities | Meets requirements |