Ammonium heptamolybdate tétrahydraté ACS
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Hexaammonium heptamolybdate tetrahydrate, Ammonium molybdate(VI) tetrahydrate, Ammonium molybdate tetrahydrate, Hexammonium heptamolybdate 4-hydrate, Molybdic acid ammonium salt tetrahydrate
Formule:
(NH₄)₆Mo₇O₂₄·4H₂O Poids moléculaire: 1235.86 g/mol Point de fusion: 190 °C Densité: 2.49 g/cm³ Température de stockage: Température ambiante |
Numéro MDL:
MFCD00167059 Numéro CAS: 12054-85-2 EINECS: 234-722-4 Indice Merck: 13,00536 |
Résultats des tests de spécification
Appearance | White to off-white Crystalline powder or crystals (May have a yellow to light green hue) |
Titration Complexometric | 81.0 to 83.0 % (as MoO3) |
Chloride (Cl) | ≤0.002 % |
Nitrate (NO3) | (Limit about 0.003%) Passes test |
Phosphate (PO4) | ≤5 ppm |
Sulfate (SO4) | ≤0.02 % |
AsO4, PO4, SiO4 (as SiO2) | ≤0.001 % |
Magnesium (Mg) | ≤0.005 % |
Potassium (K) | ≤0.01 % |
Sodium (Na) | ≤0.01 % |
Heavy metals (ICP-OES) | ≤0.001 % |
Insoluble matter | ≤0.005 % |
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