Ferrous Sulphate 7 Hydrate

    DESCRIPTION

    Greenish yellow to grey powder or granules, freely but slowly soluble in water giving a greenish brown solution

    FormulaFeSO4.7H2O
    Appearance of solutionTo comply with limit test
    CAS No.7782-63-0
    EC Number231-753-5
    Tarriff Number2833 29 80
    Molecular weight278.02

    SPECIFICATIONS

    Assay98.0 to 105.0%
    IdentificationTo comply with tests A and B
    Manganese (Mn)Max 1000 ppm
    Chloride (Cl)Max 300 ppm
    pH
    (5% Solution)
    3.0 to 4.0
    Heavy metals
    (as Pb)
    Max 50 ppm
    ZincMax 500 ppm
    Iron (Fe)Max 0.5 %
    Shelf life3 Years from date of manufacture


    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 Thu 1 December 2011 (812)

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