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      產品中心

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      L-氨基酸 >> l-酪氨酸

       

      L-氨基酸 >> l-酪氨酸

       產品:L-酪氨酸

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

      檢測項目

      ITEM

      參照標準 USP31

      旋光

      SPECIFIC  ROTATION

      -9.8~-11.2

      氯化物

      CHLORIDE

      ≤0.04%

      硫酸鹽

      SULFATE

      ≤0.04%

      IRON

      ≤30ppm

      重金屬

      HEAVY METALS

      ≤15ppm

      干燥失重

      LOSS ON DRYING

      ≤0.30%

      燃燒殘渣

      RESIDUE ON IGNITION

      ≤0.40%

      含量

      ASSAY

      98.5~101.5%

      色譜分析純度

      CHROMATOGRAPHIC PURITY

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

      Not more than 0.2% of total impurities is found

      有機揮化性雜質

      Organic Volatile impurities

      Meets the requirements

       

       

      檢測項目 ITEM

      參照標準

      AJI92

      比旋光度 SPECIFIC  ROTATION

      -11.3º~-12.1º

      透光率 STATE OF SOLUTION

      ≥95%

      氯化物 CHLORIDE

      ≤0.02%

      銨鹽 AMMONIUM

      ≤0.02%

      硫酸鹽 SULFATE

      ≤0.02%

      鐵鹽 IRON

      ≤10ppm

      重金屬 HEAVY METALS

      ≤10ppm

      砷鹽 ARSENIC

      ≤1.0ppm

      其它氨基酸

       OTHER AMINO ACIDS

      CHROMATOGRAPHICALLY

      NOT DETECTABLE

      干燥失重 LOSS ON DRYING

      ≤0.20%

      燃燒殘渣

      RESIDUE ON IGNITION

      ≤0.10%

      含量 ASSAY

      98.5~100.5%

      酸度PH

      5.0~6.5


       

       

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