| Test Item | Standard | Test Result |
|
Melting point of insolated saccharin |
226-230 |
228.4-229.6 |
| Appearance |
White crystals |
White crystals |
| Content |
99.0%-101.0% |
99.70% |
| Moisture | ≤15% | 13.2% |
|
Ammonium salts |
≤25 ppm |
10ppm |
| Arsenic | ≤3 ppm | <1.0ppm |
|
Benozate and salicylate |
No precipitate or violet color appears |
Complies |
| Heavy metals |
≤10ppm |
6.7ppm |
|
Readily carboziable substances |
Not more intensely colored than reference A |
Complies |
|
P-toluene sulfonamide |
≤10 ppm |
5.6 ppm |
| O-toluene sulfonamide | ≤10 ppm | 5.5ppm |
|
Selenium |
≤30 ppm |
12ppm |
|
Related substance |
Complies with BP/USP |
Complies |
| Clarity and color solution | Colorless and clear | Colorless and clear |
|
Organic volaties |
Complies with BP/USP |
Complies |
| PH value | Complies with BP/USP | 7.0 |
| Benzoic acid-sulfonamide | ≤25 ppm | 17ppm |
|
Conclusion |
PASS |
|