Complaint
| Analytical Items | Stand Requirements | Test Results |
| Discription | Colorless or white crystals,or a white crystalline powder. | White crystalline powder |
| Identification | Positive | Positive |
| PH Value : Between 4.1 and 5.6 | 4.86 | |
| Clarity And Color Of Solution | Clear and colorless | Meet the requirement |
| Chloride | No more than 0.011% | <0.01% |
| Sulfate | No more than 0.010% | <0.01% |
| Ammonium | No more than 0.02% | <0.02% |
| Heavy Metals | No more than 10ppm | <5ppm |
| Iron | No more than 10ppm | <5ppm |
| Related Substances | No more than 0.2% | <0.2% |
| Loss On Dry | No more than 0.2% | 0.05% |
| Residue On Ignition | No more than 0.1% | 0.06% |
Total Aerobic Microbial Count | No more than 100cfu/g | <100cfu/g |
Total Number Of Yeasts And Molds | No more than 10cfu/g | <10cfu/g |
| E. Coli /10g | Negative | Not detected |
| Assay | When dried,contains not less than 99.0% and not more than 101.0% of C2H7NO3S | 99.65% |
| Conclusion: Complies With JP17 And USP40 | ||
