Complaint
| Item | Unit | Quality Standards |
| Appearance of solution | --- | Pass Test |
| Assay | % | 99.0~ 100.5 |
| Characters | --- | White crystal powder or granules |
| Appearance of Solution | --- | Pass Test |
| Identification Test | --- | Pass Test |
| Water | % | 11.0~13.0 |
| Readily Carbonisable Substances | --- | Pass Test |
| Acitidy or Alkalinity | --- | Pass Test |
| PH (5%w/v) | --- | 7.5~9.0 |
| Sulfate | ppm | ≤150 |
| Oxalate | ppm | ≤100 |
| Chloride | ppm | ≤50 |
| Heavy Metal (As Pb) | ppm | ≤1 |
| Arsenic | ppm | ≤1 |
| Tartrate | ppm | Pass Test |
| Mercury | ppm | ≤1 |
| Heavy Metals(as Pb ) | ppm | ≤10 |
