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    Ferrous sulfate

    Update: 2013/10/14 View:
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    Introduction
     

    Chemical Name:

    Ferrous sulfate

    Molecular Formula:

    FeSO4·7H2O

    Molecular Weight:

    278.02

    CAS:

    7720-78-7

    Character:

    Gray and turquoise single monoclinic system crystalline powder or granule. Inodorous, taste salty. Easily airslake in dry air, it is easy to oxidize to brown yellow alkalescence ferric sulphate. Soluble in water, insoluble in ethanol.

    Uses:

     It is used as nutrition supplement, fruit and vegetable chromogenic reagent.

    Packing:

    It is packed with plastic bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

    Storage & Transportation:

     It should be stored in a dry and ventilative warehouse, kept away form water and moisture during transport, unloaded with care so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.

    Quality index:

    Quality index

    FAO/WHO,1999

    Assay (FeSO4·7H2O) ≥%

    99.5~104.5

    Pb (atomic absorption method) ≤%

    0.0002

    Hg≤%

    0.0001

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