| Customization: | Available |
|---|---|
| Application: | Salon |
| Disposable: | Non-Disposable |
|
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| Items | Requirements | Result |
| Appearance | A white crystalline powder | Complies |
| Identification | IR: Similar with the reference spectrum | Complies |
| S.O.R: Positive | Positive | |
| Clearity and color of solution | Clear and colourless | Conform |
| Solution transmittance | >98.0% | 99.1% |
| Melting Point | About 185ºC | 184.0ºC |
| Optical Rotation | 15.5°~-17.5° | -16.4° |
| Chlorides | Not more than 200ppm | Complies |
| Sulphates | Not more than 300ppm | Complies |
| Ammonium | Not more than 200ppm | Complies |
| Iron | Not more than 10ppm | Complies |
| Heavy Metals | Not more than 10ppm | Complies |
| Lead | Not more than 0.5ppm | Complies |
| Cadmium | Not mNot more than 10ppmore than 0.5ppm | Complies |
| Arsenic | Not more than 2ppm | Complies |
| Related substance |
L-γ-glutamy-L-cysteine: Not more than 1.0%
Glutathione oxidized: Not more than 1.5%Total unknown impurities: Not more than 0.5% Single unknow impurities: Not more than 0.1% Total impurities: Not more than 2.5% |
0.3% 0.1% Not detected <0.05 0.4% |
| Loss on drying | Not more than 0.5% | 0.2% |
| Residue on ignition | Not more than 0.1% | 0.05% |
| Assay | 98.0% to 101.0% | 99.2% |
| Bacterial endotoxin | ≤0.10EU/mg | Complies |
| Microbiology | Total aerobic bacterial count≤1000cfu/g | Complies |
| Total combined yeast and moulds count≤100cfu/g | Complies | |
| Enterobacteriaceae≤100cfu/g | Complies | |
| E. Coli: Absent/10g | Complies | |
| S. Aureus: Absent/10g | Complies | |
| Salmonella: Absent/10g | Complies | |
| Conclusion | Complies with the standard of JP XVII. | |
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