L-Carnitine L-Tatrate
Città: LV, Marupe
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | White or off-white crystalline powder | white crystalline powder |
Identification (IR) | In accordance with the IR absorption spectrum of the standard | Conform |
Assay (by anhydrous) | ≥98.0% | 99.2% |
Specific rotation (α^20_D) | -9.5° – -11.0° | -10.2° |
Water | ≤0.50% | 0.08% |
Residue on ignition | ≤0.50% | 0.05% |
Heavy metals (total) | ≤0.001% | <0.001% |
Arsenic (As) | ≤0.00001% | <0.00001% |
pH | 3.0 – 4.5 | 3.7 |
Solubility / Clarification | Clarification (Visual) | Conform |
Chlorides | <0.4% | <0.4% |
L-Carnitine content | 68.2% ± 1.0% | 67.7% |
Tartaric acid content | 31.8% ± 1.0% | 31.9% |
Particle size (mesh) | 100% pass 20 mesh | Conform |
Bulk density | 0.4–0.7 g/ml | 0.55 g/ml |
Tapped density | 0.5–0.9 g/ml | 0.78 g/ml |
Heavy Metals
Analysis Item | Specification | Result |
Cadmium (Cd) | ≤1 ppm | <0.007 ppm |
Mercury (Hg) | ≤0.1 ppm | <0.0004 ppm |
Lead (Pb) | ≤3 ppm | <0.1 ppm |
Microbiological Tests
Analysis Item | Specification | Result |
Total bacteria count | ≤1000 cfu/g | 1 cfu/g |
Mold & yeast | ≤100 cfu/g | <1 cfu/g |
E. coli | Negative | Negative |
Salmonella spp. | Negative | Negative |
Staphylococcus aureus | Negative | Negative |
Coliform | Negative | Negative |
Residual Solvents
Analysis Item | Specification | Result |
Residual Solvents: Ethanol | ≤0.5% | 0.05% |