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 |