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| Heptaammonium Molybdate |
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(NH4)6Mo7O24•4H2O |
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Colorless or slightly green crystal, and it is insoluble in alcohol. The solubility in the water at room temperature can reach more than 40 grams, is one of the important reagents for the determination of phosphorus, the best material for the production of acrylonitrile catalyst.
Trademark |
MSA-0 |
MSA-1 |
MSA-2 |
MSA-3 |
Molybdenum content ( Mass fraction) (as MoO3) |
Molybdenum content is not less than 56 for Diammonium Molybdate and Tetraammonium Molybdate, Molybdenum content of Heptaammonium Molybdate is not less than 54 |
Impurity content ( Mass fraction)
(as MoO3), not more than |
Al |
0.0005 |
0.0005 |
0.0006 |
0.0010 |
Bi |
0.0005 |
0.0005 |
0.0005 |
0.0006 |
Ca |
0.0008 |
0.0008 |
0.0010 |
0.0020 |
Cd |
0.0005 |
0.0005 |
0.0005 |
0.0006 |
Cu |
0.0003 |
0.0003 |
0.0005 |
0.0006 |
Fe |
0.0006 |
0.0006 |
0.0008 |
0.0010 |
Mg |
0.0006 |
0.0006 |
0.0006 |
0.0010 |
Ni |
0.0003 |
0.0003 |
0.0005 |
0.0008 |
Na |
0.0010 |
0.0010 |
0.0030 |
0.0050 |
P |
0.0005 |
0.0005 |
0.0005 |
0.0010 |
Pb |
0.0005 |
0.0005 |
0.0005 |
0.0006 |
Sn |
0.0005 |
0.0005 |
0.0005 |
0.0006 |
Si |
0.0005 |
0.0005 |
0.0010 |
0.0020 |
Sb |
0.0005 |
0.0005 |
0.0005 |
0.0006 |
Mn |
0.0003 |
0.0003 |
0.0006 |
0.0008 |
K |
0.010 |
0.010 |
0.040 |
0.80 |
W |
0.015 |
- |
- |
- |
As |
0.0005 |
- |
- |
- |
Packing: 25kg Cardboard barrel or plastic woven bag . |
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