China Alpha Lipoic Acid 99% Purity USP35, Find details about China Skin Care, Weight Loss from Alpha Lipoic Acid 99% Purity USP35
| Analytical Items | Standard | |
| Appearance | Slightly yellow crystal powder | |
| Identification | Meets the requirements | |
| Melting Point | 60.0 ~ 62.0ºC | |
| Specific Rotation | -1.0°~ +1.0° | |
| Loss on Drying | ≤0.20% | |
| Residue on Ignition | ≤0.10% | |
| Heavy Metals | ≤10ppm | |
| Lead | ≤3ppm | |
| Cd | ≤1ppm | |
| Hg | ≤0.1ppm | |
| Particle size | 100% through 40 mesh | |
| Assay (dried basis) | 99.0% ~ 101.0% | |
| Chromatographic Purity | ||
| Single Impurity | ≤0.10% | |
| Total Impurities | ≤2.0% | |
| Limit of polymer content | Confirms | |
| Residual Solvent | ||
| Cyclohexane | ≤1000ppm | |
| Ethyl Acetate | ≤250ppm | |
| Toluene | ≤20ppm | |
| Total plate count | <1000cfu/g | |
| Yeast & Mould | <100cfu/g | |
| E.Coli | Negative | |
| Staphylococcus aureus | Negative | |