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Appearance | White crystalline powder | ||
Assay (dry basis) | 99.0-101.0% | ||
State of solution | ≥98.0% | ||
PH | 4.7-6.2 | ||
Specific rotation (20℃) | +22.1°- + 22.9° | ||
Ammonium (NH4) | ≤0.020% | ||
Cl | 16.58-17.0% | ||
SO4 | ≤0.20% | ||
Fe | ≤ 10ppm | ||
Heavy metals | ≤ 10ppm | ||
As | ≤ 1ppm | ||
Loss on drying | ≤ 0.20% | ||
Residue on ignition | ≤ 0.10% | ||
Foreign amino acids | ≤ 0.4% | ||