Specification | ||
Test Item | Specification | Test Method |
Appearance | White crystals or crystalline powder | Visual |
Assay | 98.5%~101.5% | USP32 |
pH | 5.0~6.5 | USP32 |
Loss on drying | Maximum 0.2% | USP32 |
Residue on ignition | Maximum 0.4% | USP32 |
Specific rotation[a]D20 | -26.7°~-29.1° | USP32 |
Iron | Maximum 30ppm | USP32 |
Chloride | Maximum 0.05% | USP32 |
Heavy Metals | Maximum 15ppm | USP32 |
Sulfate | Maximum 0.03% | USP32 |
Total Plate count (cfu/g) | Maximum 1000 cfu/g | In-house |
Moulds and yeast | Maximum 100 cfu/g | In-house |
Escherichia coli | Negative | In-house |
Salmonella | Negative | In-house |