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L-氨基酸 >> l-酪氨酸

 

L-氨基酸 >> l-酪氨酸

 产品:L-酪氨酸

 
Product: L-Tyrosine
 
Cas No.: 60-18-4
 
Standard: AJI92, USP31, EP6.0

检测项目

ITEM

参照标准 USP31

旋光

SPECIFIC  ROTATION

-9.8~-11.2

氯化物

CHLORIDE

≤0.04%

硫酸盐

SULFATE

≤0.04%

IRON

≤30ppm

重金属

HEAVY METALS

≤15ppm

干燥失重

LOSS ON DRYING

≤0.30%

燃烧残渣

RESIDUE ON IGNITION

≤0.40%

含量

ASSAY

98.5~101.5%

色谱分析纯度

CHROMATOGRAPHIC PURITY

Not more than 0.5% of any individual impurity is found,

Not more than 0.2% of total impurities is found

有机挥化性杂质

Organic Volatile impurities

Meets the requirements

 

 

检测项目 ITEM

参照标准

AJI92

比旋光度 SPECIFIC  ROTATION

-11.3º~-12.1º

透光率 STATE OF SOLUTION

≥95%

氯化物 CHLORIDE

≤0.02%

铵盐 AMMONIUM

≤0.02%

硫酸盐 SULFATE

≤0.02%

铁盐 IRON

≤10ppm

重金属 HEAVY METALS

≤10ppm

砷盐 ARSENIC

≤1.0ppm

其它氨基酸

 OTHER AMINO ACIDS

CHROMATOGRAPHICALLY

NOT DETECTABLE

干燥失重 LOSS ON DRYING

≤0.20%

燃烧残渣

RESIDUE ON IGNITION

≤0.10%

含量 ASSAY

98.5~100.5%

酸度PH

5.0~6.5