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L-SERINE
CAS No.:56-45-1
Description: White crystals or crystalline powder
| Item |
Specification (AJI97)
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| Appearance |
White crystalline powder
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| Assay, % (on dry matter) |
99.0~101.0
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| Specific optical rotation |
+14.4º~+15.5º
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| Transmittance,% |
≥98.0
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| pH value |
5.2~6.2
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| Loss on drying, % |
≤0.2
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| Heavy metals, % |
≤0.001
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| Residue on ignition, % |
≤0.1
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| Chloride,% |
≤0.02
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| Sulfate,% |
≤0.02
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| Iron, % |
≤0.001
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| Arsenic, % |
≤0.0001
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| Ammonium (as NH+4), % |
≤0.02
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| Other amino acids |
Not detd.
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Uses: MEDICINE AND FOOD INDUSRIES
Packing: 25kg /fiber drum
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