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L-Glutamin

  • CAS No:56-85-9 L-Glutamine
    Molecular Structure

    Detailed Description

    Item
    Specification
    Result
    Assay (dried substance)
    98.5% ~ 101.5%
    99.5%
    Specific rotation[α]D20
    +6.3 ~ +7.3°
    +6.8°
    Loss on drying, %
    ≤0.30
    0.20
    Residue on ignition, %
    ≤0.10
    0.06
    Heavy metals (Pb), ppm
    ≤10
    8
    Arsenic (As2O3), ppm
    ≤1
    0.5
    State of solution, %
    ≥98 (2.5% aqueous solution)
    98.6
    pH
    4.5 ~ 6.0
    5.2
    Sulfate (SO4), %
    ≤0.020
    <0.020
    Chloride (Cl), %
    ≤0.020
    <0.020
    Ammonium (NH4), %
    ≤0.10
    <0.10
    Iron (Fe), ppm
    ≤10
    5
    Other amino acids, %
    ≤0.5
    0.2
    Aerobic plate count, cfu/g
    ≤1000
    <1000
    Pathogenic bacteria, cfu/g
    Negative
    Conforms
    Conclusion
    Conforms to AJI2002/FCCV/USP29