| Type: | Tryptophan |
|---|---|
| Chemical Character: | Neutral |
| Appearance: | Crystal |
|
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| Content | ≥98.5 |
| PH | 5.4~6.4 |
| Chloride/% | ≤0.02 |
| Sulfate/% | ≤0.02 |
| Ammonium salt/% | ≤0.2% |
| Specific rotation(10mg/mLH2O) | -30°~-32° |
| Transparency of solution(0.5g/20mL,HCl430nm)/% | 95.0% |
| Other amino acids/% | 0.5 |
| Loss on drying/% | ≤0.2 |
| Residue on ignition/% | ≤0.1 |
| Heavy Metals% | ≤0.0001 |
| Iron salt/% | ≤0.002 |
| Arsenic salts/% | ≤0.0001 |
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