国产99在线|亚洲|国产精品国产自线在线观看|国产久看在线观看|国产日韩欧美亚洲精品中字

    
    
    <sup id="u4eof"><ol id="u4eof"><nobr id="u4eof"></nobr></ol></sup>
      <legend id="u4eof"><u id="u4eof"><blockquote id="u4eof"></blockquote></u></legend>
      Contact Us
      Search
      Your Position: Home > Product > Other products

      Ferrous sulfate

      Update: 2013/10/14 View:
      •    
          Order Online   Add to favorites
      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