Company Information
Member Since 5 Years
Nature of Business Manufacturer Year of Establishment 1995Ask for more detail from the seller
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Specifications
| ITEM | PATTERN |
| Appearance | White or almost white crystal or crystalline powder |
| Identification | Positive |
| Fusion point | 191 °C ~ 192 °C |
| PH (5%, w/v) | 2.2 ~ 2.5 |
| PH (2%, w/v) | 2.4 ~ 2.8 |
| Specific optical rotation | + 20.5 ° ~ + 21.5 ° |
| solution clarity | clear |
| Heavy metals | ≤ 0.0003% |
| Assay (as C 6H 8O6, %) | 99.0 ~ 100.5 |
| Copper | ≤ 3 mg/kg |
| Iron | ≤ 2 mg/kg |
| Mercury | ≤ 1 mg/kg |
| arsenic | ≤ 2 mg/kg |
| Lead | ≤ 2 mg/kg |
| oxalic acid | ≤ 0.2% |
| loss on drying | ≤ 0.1% |
| sulfated ash | ≤ 0.1% |
| Residual solvents (such as methanol) | ≤ 500 mg/kg |
| Total plaque count (cfu/g) | ≤ 1000 |
| & Yeast molds (cfu/g) | ≤ 100 |
| Escherichia. Coli/g | Absence |
| Salmonella/ 25g | Absence |
| Staphylococcus aureus/ 25g | Absence |
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