GMP certificate
Tems |
Standard |
Result |
Characters |
Pale yellow crystalline powder, slightly hygroscopic. |
conforms |
Solubility |
Soluble in water,methanol, very slightly soluble in ethanol, practically insoluble in acetone, |
conforms |
Identification |
Meet the requirements |
conforms |
PH |
3.5-4.5 |
3.8 |
Appearance of solution |
The solution is clear and not more intensely coloured than reference solution GY5 |
conforms |
Water |
≤6.7% |
5.6% |
Sulphated ash |
≤0.1% |
0.06% |
Heavy metals |
≤20ppm |
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