Kezdőlap »Aminosavak» Leucin aminosav por (L- Leucine)
Certificate of Analysis
Product Name: L-Leucine
Test intems |
Specification (AJI) |
Specification (USP) |
Specification (CP2000) |
Specification (FCC) |
Appearance |
White crystal or White powder |
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Appraisal |
Test with Infrared Absorption Spectrometer |
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Specific rotatory power |
+14.9°- +16.0° |
+14.9°- +17.3° |
+14.5°- +16.0° |
+14.5°- +16.5° |
Solubility |
≥ 98.0% |
--- |
≥ 98.0% |
--- |
Chlorinity |
≤ 0.020% |
≤ 0.05% |
≤ 0.02% |
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Amine salt (NH4) |
≤ 0.02% |
--- |
≤ 0.02% |
--- |
Sulfate (SO4) |
≤ 0.020% |
≤ 0.03% |
≤ 0.02% |
--- |
Ferric salt (Fe) |
≤ 10PPm |
≤ 30PPm |
≤ 10PPm |
--- |
Heavy metal (Pb) |
≤ 10PPm |
≤ 15PPm |
≤ 10PPm |
≤ 30PPm |
Arsenic salt (As2O3) |
≤ 1PPm |
--- |
≤ 1PPm |
≤ 3PPm |
Other amino acid |
Qualified |
--- |
≤ 0.5% |
--- |
Drying loss |
≤ 0.20% |
≤ 0.2% |
≤ 0.2% |
≤ 0.1% |
Burning residues (sulfated) |
≤ 0.10% |
≤ 0.4% |
≤ 0.1% |
≤ 0.1% |
Content |
99.0-100.5% |
98.5-101.5% |
≥ 98.5% |
98.5-101.5% |
PH Valve |
5.5-6.5 |
5.5-7.0 |
5.5-6.5 |
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Organic volatiles |
--- |
Qualified |
--- |
--- |
Lead |
--- |
--- |
--- |
≤ 10PPm |
Shelf life:
Two years when stored properly.