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Run Ju |
L-精氨酸 L-天门冬氨酸
L-Arginine L-Aspartate |
包装Packing:2 5Kg塑料内衬牛皮纸袋，或根据客户要求。
25Kg plastic liner kraft paper bag, or according to customer requirements.
贮存：避免光照、在阴凉，干燥，密封贮存。
Storage: to avoid light, dry and sealed storage in the shade.
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检验项目
Tests |
检验标准
Standards |
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外观 Appearance |
白色结晶或结晶性粉末
White crystals or crystalline powder. |
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含量 Assay % |
98.5~101.0 |
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pH 值 |
5.5~7.0 |
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干燥失重 Loss on drying % |
≤3.0% |
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比旋度
Specific rotation [α]D 20 |
+25.5°~ +27.5°
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透光度 State of solution % |
≥98.0 |
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氯化物 Chloride(Cl) % |
≤0.05 |
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铵盐 Ammonium（NH4）% |
≤0.02 |
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硫酸盐 Sulfate(SO4) % |
≤0.03 |
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铁盐 Iron(Fe) ppm |
≤30 |
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重金属 Heavy metals(Pb) ppm |
≤10 |
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砷盐 Arsenic(As2O3) ppm |
≤1 |
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其他氨基酸
Other amino acids |
未检出
Chromatographically not detectable |
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灼烧残渣
Residue on ignition % |
≤0.20 |
