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Product Specifications
| Product Name:γ-Aminobutyric acid | FACTORY STANDARD |
| Assay | 98.0～101.0% |
| PH | 6.5～7.5 |
| Specific rotation[a]D20 | / |
| Specific rotation[a]D25 | / |
| Transmittance(T430) | ≥98.0% |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(SO4) | ≤0.05% |
| Iron(Fe) | ≤30ppm |
| Heavy metals(Pb) | ≤10ppm |
| Arsenic | ≤2ppm |
| Other amino acids | / |
| Ninhydrin-positive substances | / |
| Loss on drying | ≤0.50% |
| Residue on ignition | ≤0.10% |
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