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Anda Nonferrous Metals
Heptaammonium Molybdate
Colorless or slightly green crystal, insoluble in ethanol, the solubility in water at room temperature can reach more than 40g. It is an important reagent for the determination of phosphorus and can be used to produce acrylonitrile catalyst.
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Trademark
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MSA-0
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MSA-1
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MSA-2
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MSA-3
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Molybdenum content ( Mass fraction) (as MoO3)
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Molybdenum content is not less than 56 for Diammonium Molybdate and Tetraammonium Molybdate, Molybdenum content of Heptaammonium Molybdate is not less than 54
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Impurity content ( Mass fraction)
(as MoO3), not more than |
Al
|
0.0005
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0.0005
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0.0006
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0.0010
|
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Bi
|
0.0005
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0.0005
|
0.0005
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0.0006
|
|
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Ca
|
0.0008
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0.0008
|
0.0010
|
0.0020
|
|
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Cd
|
0.0005
|
0.0005
|
0.0005
|
0.0006
|
|
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Cu
|
0.0003
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0.0003
|
0.0005
|
0.0006
|
|
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Fe
|
0.0006
|
0.0006
|
0.0008
|
0.0010
|
|
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Mg
|
0.0006
|
0.0006
|
0.0006
|
0.0010
|
|
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Ni
|
0.0003
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0.0003
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0.0005
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0.0008
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|
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Na
|
0.0010
|
0.0010
|
0.0030
|
0.0050
|
|
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P
|
0.0005
|
0.0005
|
0.0005
|
0.0010
|
|
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Pb
|
0.0005
|
0.0005
|
0.0005
|
0.0006
|
|
|
Sn
|
0.0005
|
0.0005
|
0.0005
|
0.0006
|
|
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Si
|
0.0005
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0.0005
|
0.0010
|
0.0020
|
|
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Sb
|
0.0005
|
0.0005
|
0.0005
|
0.0006
|
|
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Mn
|
0.0003
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0.0003
|
0.0006
|
0.0008
|
|
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K
|
0.010
|
0.010
|
0.040
|
0.80
|
|
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W
|
0.015
|
-
|
-
|
-
|
|
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As
|
0.0005
|
-
|
-
|
-
|
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Packing: 25kg Cardboard barrel or plastic woven bag .
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