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L-Methionine 98.5-101.5% (by titrimetric analysis) USP
L-Methionine 98.5-101.5% (by titrimetric analysis) USP
New Product
Certificates
L-Methionine 98.5-101.5% (by titrimetric analysis) USP
New Product
Certificates

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Specification Test Results

  • Heavy Metals:
    ≤15 ppm
  • Chloride (Cl⁻):
    ≤0.05%
  • Sulphate (SO₄²⁻):
    ≤0.03%
  • Iron (Fe):
    ≤30 ppm
  • pH:
    5.6 - 6.1
  • Optical Rotation:
    [a]D20 = +22.4 to +24.7°
  • Infrared Spectrum:
    Conforms to Structure
  • Loss on Drying:
    ≤0.3%
  • Organic Volatile Impurities:
    To Meet Requirements
  • Individual Impurity:
    ≤0.5%
  • Total Impurities:
    ≤2.0%
  • Residue on Ignition:
    ≤0.4%
  • Assay by Titration:
    98.5 - 101.5% (Anhydrous Basis)
  • Appearance:
    White to off-white crystalline powder

Specification Test Results

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