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Product >
Vitamin B1
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Place of Origin:China |
Brand Name: ABTaiDa |
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Items |
Specifications |
Appearance: |
White or almost white crystalline powder |
Identification: |
positive reaction |
Clarity and color of solution: |
Should be clear and colorless |
Color of solution: |
No more than solution Y7 or GY7 |
PH: |
2.7 °C 3.3 |
Sulfates: |
300 ppm max |
Nitrates: |
None |
Heavy metals: |
20 ppm max |
Absorbance of solution: |
0.025 max |
Chromatographic purity: |
1% max |
Loss on drying: |
5.0% max |
Residue on ignition: |
0.10% max. |
Assay: |
98.5 °C 101.5% |
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