Boric Acid

    DESCRIPTION

    Granular or Powder, white crystalline product

    FormulaH3BO3
    Appearance
    (of Aqueous Solution)
    Clear & Colourless
    OriginFrance
    CAS No.10043-35-3

    SPECIFICATIONS

    Assay
    (H3BO3)
    99.0 to 100.5%
    Solubility
    (in Alcohol)
    Solution is not more opalescent than refrence suspension II (2.2.1)* and is colourless (method II, 2.2.2)*
    Organic MatterDoes not darken on heating
    Sulphate (SO4)Max 450 ppm
    pH
    (of 33g/l aq solution)
    3.8 to 4.8
    Heavy metals
    (as Pb)
    Max 15 ppm
    Mesh SizePowder:Mesh Size 0.25mm: max 3.0% retained guarantee
    Granular: Mesh Size 1.00mm: Max 2.0% retained guarantee


    *EP Analytical methods

    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 Wed 2 February 2011 (406)

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