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L-丙氨酸:(医药、食品级)
 
 分子式:C3H7NO2
 分子量:89.09
 性状:本品系白色晶体或结晶粉末
 质量标准:AJ192 、USP24、FCCIV
结构式:
项 目
标 准
 含量(Assay)%
99.0~101.0
 透光率(transmittance)%
≥98.0
 比旋光度[α]D20(Specific rotation)
+14.3°~+15.2°
 酸度pH值
5.7~6.7
 干燥失重(loss on drying)%
≤0.20
 灼烧残渣(residue on ignition)%
≤0.10
 氯化物(Chloride[Cl]) %
≤0.020
 硫酸盐(Sulfate[SO42-])%
≤0.020
 砷盐(Arsenic[As])ppm 
≤1
 重金属(Heavy Metals[Pb])ppm
≤10
 铁盐 (Iron[Fe])ppm
≤10
 铵盐(Ammonium salt[NH4])%
≤0.02
 其它氨基酸(Foreign amion acids)
无 (Without)
 用途:L—丙氨酸在医药上是组成复合氨基酸注射液及口服液等药品的原料。在食品中广泛应用于氨基酸口    服液及饮料、食品、酿酒调料、油类、蜡制品、酱菜添加剂主要原料,还可起到防腐保鲜作用。
 包装:25Kg纸板桶加塑料内胆或25Kg编织袋加塑料内胆,亦可随客户要求。
 贮存:避光、干燥阴凉处封闭贮存。
 
L-ALANINE:(medicinal & edible)
 
 Molecular formula: C3H7NO2 Molecular
 weight: 89.09
 Quality standard: AJ192,USP24, FCCIV
molecular structure:
ITEM
STANDARD
 Assay%
99.0~101.0
 transmittance%
≥98.0
 Specific rotation[ α ]D20
+14.3°~+15.2°
 [pH]
5.7~6.7
 loss on drying%
≤0.20
 residue on ignition%
≤0.10
 Chloride[Cl] %
≤0.020
 Sulfate[SO42-]%
≤0.020
 Arsenic[As]ppm 
≤1
 Heavy Metals[Pb]ppm
≤10
 Iron[Fe]ppm
≤10
 Ammonium salt[NH4]%
≤0.02
 Foreign amion acids
Without
 Function: L-Alanine is the main raw material of composing the medicine such as amino  acid injection fluid and orally-taken fluid in medicine industry. And it is main raw material of drinks, food, vintaging, seasoning, oil, salted and dried food, pickles additive in food industry, having the effect of antisepsisand keeping fresh.
 Package: 25Kg cardboard barrel within liner, or 25Kg knitting bag plastic liner, also       can be decided according to be customers demand.
 Storage: Kept in a well-closed, light-resistant, dry and cool place.
 
 
 
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