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Ammonium Molybdate Tetrahydrate 98% Extra Pure |
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Synonyms |
Ammonium heptamolybdate tetrahydrate, Molybdic acid ammonium salt tetrahydrate |
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Grade |
Extra Pure |
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Appearance |
White crystalline powder |
|
Assay |
Min 98.0% |
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Sulphate (SO4) |
Max 0.02% |
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Chloride (Cl) |
Max 0.002% |
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Phosphate, arsenate, silicate (as PO4) |
Max 0.002% |
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Lead (Pb) |
Max 0.002% |
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Iron (Fe) |
Max 0.005% |
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pH value |
5 - 5.5 |
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Boiling point [°C] |
190°C |
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Solubility in water [% weight] |
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Colour |
White crystalline |
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Physical state at 20 °C |
Solid |
|
Odour |
Odorless |
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Melting point/ Freezing point [°C] |
90°C |
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Density [g/cm3] |
2.498 |
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Ammonium Molybdate Tetrahydrate 99.3% AR |
|
Synonyms |
Ammonium heptamolybdate tetrahydrate, Molybdic acid ammonium salt tetrahydrate |
|
Grade |
AR |
|
Appearance |
White crystalline powder |
|
Assay |
99.3-101.8% |
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Assay (as MoO3) |
81 - 83% |
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Identity |
To pass as per USP |
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Insoluble matter |
Max 0.005% |
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Chloride (Cl) |
Max 0.002% |
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Arsenate, phosphate, silicate ( PO4) |
Max 0.001% |
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Nitrate (NO3) |
Passes test (about 0.003%) |
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Phosphate (PO4) |
Max 0.0005% |
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Heavy metals (by ICP-OES) |
Max 0.001% |
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Magnesium (Mg) |
Max 0.005% |
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Sodium (Na) |
Max 0.01% |
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Potassium (K) |
Max 0.01% |
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Sulphate (SO4) |
Max 0.02% |
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Magnesium & alkali salts |
Max 0.02% |
|
pH value |
5 - 5.5 |
|
Boiling point [°C] |
190°C |
|
Solubility in water [% weight] |
43 g / 100 cc cold water |
|
Physical state at 20 °C |
Solid |
|
Odour |
Odorless |
|
Melting point/ Freezing point [°C] |
90°C |
|
Density [g/cm3] |
2.498 |
