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| Brand Name: | fuxng |
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| Appearance: | White or almost white crystalline powder |
Quick Details
Specifications
Name : vitamin B1
| 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% |