L-Phenylalanine
Città: LV, Marupe
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Description | White crystals or crystalline powder | Crystalline powder |
Identification (IR) | Concordant with the reference spectrum | Concordant with the reference spectrum |
Specific rotation [α]D20 | -33.2º ~ -35.2º | -34.0º |
Assay | 98.5 ~ 101.5% | 99.65% |
Loss on drying | ≤0.20% | 0.02% |
Residue on ignition | ≤0.10% | 0.03% |
pH | 5.4 ~ 6.0 | 5.68 |
Chloride (Cl) | ≤0.021 | <0.021% |
Heavy Metals
Analysis Item | Specification | Result |
Heavy metals (as Pb) | ≤15 ppm | <15 ppm |
Lead | ≤3 ppm | <3 ppm |
Arsenic (As) | ≤1 ppm | <1 ppm |
Mercury | ≤0.1 ppm | <0.1 ppm |
Cadmium | ≤1 ppm | <1 ppm |
Microbiological Tests
Analysis Item | Specification | Result |
Total Plate Count | ≤10000 CFU/g | <1000 CFU/g |
Yeast & Mold | ≤1000 CFU/g | <100 CFU/g |
Salmonella | Absent/10 g | Absent/10 g |
Enterobacteries | Absent/g | Absent/g |
Staphylococcus aureus | Absent/g | Absent/g |
E. coli | Absent/g | Absent/g |