中国最大成网人站亚洲

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      Fe+H2O+1/2O2Fe2++2OH-
      Fe2++2OH-+1/2O2+1/4O2Fe(OH)3

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      λ

      Ŀ

      1500

      N/P

      F

      88%

      89

      + 6.25mm %

      SiO2+ AL2O3

      5.5%

      ָ

      3.4

      0.5 mm %

      S

      0.03%

      ȱe

      80

      O/g

      ףP

      0.06%

      ɢܶ

      2.0-2.4

      g/cm3

      ~Cu

      0.002%

      GBi

      0.002

      %

      飨As

      0.002%

      UPb

      0.002

      %

      aSn

      0.002%

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      中国最大成网人站亚洲
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