L-Leucine Powder

    DESCRIPTION

    AppearanceWhite crystalline powder
    Appearance of solutionClear and not more intensely coloured than reference solution BY6
    CAS No.61-90-5

    SPECIFICATIONS

    Assay98.5 to 101%
    Ninhydrin-positive substancesTest
    Chloride (Cl)Max 200 ppm
    Ammonium (NH4)Max 200 ppm
    Heavy metals
    (Pb)
    Max 10 ppm
    Cadmium
    (Cd)
    Max 1 ppm
    Sulphated ashMax 0.1 %
    Arsenic
    (As203)
    Max 1 ppm
    Loss on dryingMax 0.5 %
    Lead
    (Pb)
    Max 300 ppm
    Specific Rotation
    (20°C)
    14.5 to 16.5°
    Mercury
    (Hg)
    Max 0.1 ppm
    Iron (Fe)Max 10 ppm
    SulphateMax 300 ppm
    Shelf life2 years

    MICROBIOLOGICAL

    Total plate countMax 1000 cfu/g
    YeastsMax 100 cfu/g
    MouldsMax 100 cfu/g
    Staphylococcus aureusNegative
    SalmonellaNegative
    Escherichia ColiNegative


    Direct Food Ingredients will ensure that any material supplied this specification will confirm to the above physical and chemical properties. However, we have no control over the use of the material and can accept no responsibility for problems caused by the customer's failure to ensure the material supplied is suitable for the intended use.

    This specification has been last modified on Mon 20 August 2012 (1239)

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