详细描述：
包装规格：内包装双层聚乙烯薄膜袋，外包装25kg全纸桶
储存：遮光、密封保存，有效期两年
质量标准【Quality Standard】 |
| 检测项目Item |
CP2010
|
EP5
|
AJI92
|
USP24
|
FCC4
|
| 含量Assay |
≥98.5%
|
98.5～101.0%
|
99.0～101.5%
|
98.5～101.5%
|
98.5～102.0%
|
| 酸度pH |
5.4～6.0
|
|
5.4～6.0
|
5.4～6.0
|
5.4～6.0
|
| 比旋度
Specific rotation[a]D020
|
-33.0°～35.0°
|
-33.0～-35.5°
|
-33.5～-35.0°
|
|
[a]D025
|
|
|
|
-32.7～-34.7°
|
-33.0～-35.2°
|
| 溶液的透光度Transmittance(T430) |
clear & colorless
≥98.0%
|
|
≥98.0%
|
|
|
| 氯化物Chloride(Cl) |
≤0.02%
|
≤0.020%
|
≤0.020%
|
≤0.050%
|
|
| 铵盐Ammonium(NH4) |
≤0.02%
|
≤0.020%
|
≤0.020%
|
|
|
| 硫酸盐Sulfate(SO4) |
≤0.02%
|
≤0.030%
|
≤0.020%
|
≤0.030%
|
|
| 铁盐Iron(Fe) |
≤10ppm
|
≤10ppm
|
≤10ppm
|
≤30ppm
|
|
| 重金属Heavy metals(Pb) |
≤10ppm
|
≤10ppm
|
≤10ppm
|
≤15ppm
|
≤20ppm
|
| 砷盐Arsenic |
≤1ppm
|
|
≤1ppm
|
|
≤3ppm
|
| 铅Lead(Pb) |
|
|
|
|
≤10ppm
|
其他氨基酸
Other amino acids |
≤0.5%
|
|
Conforms
|
Conforms
|
|
| 干燥失重Loss on drying |
≤0.20%
|
≤0.5%
|
≤0.20%
|
≤0.30%
|
≤0.3%
|
炽灼残渣
Residue on ignition |
≤0.10%
|
≤0.1%
|
≤0.10%
|
≤0.40%
|
≤0.2%
|
有机挥发物
Organic
volatileimpurities |
|
|
|
Conforms
|
|
茚三酮活性物质
Ninhydrin-positive substances |
|
Conforms
|
|
|
|
| 内毒素Endotoxin |
≤25EU/g
|
|
|
|
|
|
产品用途：
L-苯丙氨酸是重要的食品添加剂-甜味剂阿斯巴甜（Aspartame）的主原料，人体必需氨基酸之一，在医药行业主要用于氨基酸输液和氨基酸类药物。L-苯丙氨酸是人体不能合成的一种必需氨基酸。食品工业上主要用作食品甜味剂阿斯巴甜的合成原料;也可作为营养增补剂。
