L-谷氨酸盐酸盐 [ CAS #: 138-15-8 ]_浙江天瑞化学有限公司

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      L-谷氨酸盐酸盐 [ CAS #: 138-15-8 ]

      2014-09-30 01:05:33

      CAS RN 138-15-8

      别名: H-Glu-OH.HCL, L-Glutamic Acid Monohydrochloride

      分子量: 183.59

      规格:

      L-Glutamic Acid HCL

      Item

      Standard

      Appearance

      White crystals or crystalline powder

      Assay

      99.0%-101.0%

      PH

      1.0-2.0

      Specific rotation[α]20/D(C=10,2mol/L HCL)

      +25.2 to +25.8°

      +31.4 to +32.2°

      calc.as glutamic acid

      State of solution

      ( Transmittance )

      Clear and colorless

      Not less than 98.0%

      Chloride ( Cl )

      19.11 to 19.50%

      Ammonium ( NH4 )

      Not more than 0.02%

      Sulfate ( SO4 )

      Not more than 0.020%

      Iron ( Fe )

      Not more than 10ppm

      Heavy metal(Pb)

      Not more than 10ppm

      Arsenic(As2O3)

      Not more than 1ppm

      Other amino acids

      Chromatographically

      Not detectable

      Loss on drying

      Not more than 0.50%

      Residue on ignition( sulfated )

      Not more than 0.10%


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