Detailed content
Specification parameter
Product packaging
Analysis Contents | Analysis Standard | Analysis Results |
Characteristics | White or almost White crystals Crystalline Powder | Pass |
Identification | Positive Reaction | Positive |
Melting Point | About 190ºC | 191.2ºC |
PH | 2.1-2.6 | 2.43 |
Clarity Of Solution | Clear | Clear |
Colour Of Solution | ≤BY7 | <BY7 |
Copper | ≤5ppm | <5ppm |
Heavy Metals | ≤10ppm | <10ppm |
Mercury | <0.1mg/kg
| <0.1mg/kg
|
Lead | <2mg/kg
| <2mg/kg
|
Arsenic | ≤3ppm | <3ppm |
Cadmium(Cd)
| <1mg/kg
| <1mg/kg
|
Oxalic Acid | ≤0.2% | <0.2% |
Iron | ≤2ppm | <2ppm |
Loss of Drying | ≤0.4% | <0.4% |
Sulphate Ash(Residue On Ignition) | ≤0.1% | <0.1% |
Specific Optical Rotation | +20.5°-+21.5° | +21.15° |
Mesh | 40-80 Mesh | Pass |
Residual Solvents | Pass | Pass |
Assay | 99.0%-100.5% | 99.92% |
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