Customization: | Available |
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Certification: | QS, ISO |
Shape: | Powder |
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Items | Test Standard | Test result |
Assay | 99%~100.5% | 99.87% |
Melting Point | 187°C~192°C | 191.0°C |
Specific Optical Rotation | +20.5°~+21.5° | +21.5° |
Clarity and colour of solution | Clear≤BY 7 | Pass |
Loss on drying | 0.4% Max | 0.1% Max |
pH(5% solution) | 2.1~2.6 | 2.41 |
Heavy Metals | 10 ppm Max | 10 ppm Max |
Iron | 2 ppm Max | 2 ppm Max |
Mercury | 0.1 ppm Max | 0.1 ppm Max |
Lead | 2 ppm Max | 2 ppm Max |
Arsenic | 3 ppm Max | 3 ppm Max |
Copper | 5 ppm Max | 5 ppm Max |
Oxalic Acid | 0.2% Max | 0.2% Max |
Sulphated Ash | 0.1% Max | 0.1% Max |