1.01182

Ammoniumheptamolybdat-Tetrahydrat

GR for analysis ACS,ISO,Reag. Ph Eur

• Synonym(e): Ammoniumheptamolybdat-Tetrahydrat, Ammoniummolybdat, Hexammoniumheptamolybdat-4-hydrat
• Lineare Formel: (NH₄)₆Mo₇O₂₄ · 4 H₂O
• CAS-Nummer: 12054-85-2
• Molekulargewicht: 1235.86
• MDL-Nummer: MFCD00167059
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 234-722-4
• NACRES: NB.21

Eigenschaften

• Qualität: ACS reagent
• Qualitätsniveau: 100
• Agentur: reag. ISO; reag. Ph. Eur.
• Form: solid
• spezifische(r) Analyt(en): phosphate
• Methode(n): photometry: suitable
• pH-Wert: 5.3 (20 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 90 °C (Elimination of water of crystallisation)
• Löslichkeit: 400 g/L
• Dichte: 2.498 g/cm³ at 20 °C
• Schüttdichte: 800 kg/m³
• Lagertemp.: 2-30°C
• InChI: 1S/Mo.H3N.H2O.O/h;1H3;1H2;/q;;;-2/p+1
• InChIKey: XCOMAVCHADVANQ-UHFFFAOYSA-O

Beschreibung

Anwendung

• A Novel Hydro-Thermal Synthesis of Nano-Structured Molybdenum-Iron Intermetallic Alloys at Relatively Low Temperatures.: This study outlines a novel hydro-thermal method for synthesizing molybdenum-iron intermetallic alloys using lower temperatures, highlighting a potential route for cost-effective and energy-efficient material production (El-Geassy et al., 2023).


• Alternative Preparation of Improved NiMo-Alumina Deoxygenation Catalysts.: This research discusses an alternative method for preparing NiMo-alumina catalysts with enhanced deoxygenation properties, potentially useful for synthetic and petrochemical applications (Priecel et al., 2020).


• Chromatographic identification of "green capping agents" extracted from Nasturtium officinale (Brassicaceae) leaves for the synthesis of MoO(3) nanoparticles.: The paper identifies plant-based capping agents for synthesizing molybdenum trioxide nanoparticles, contributing to greener nanotechnology practices (Shaheen & Ahmad, 2020).


• Preparation of h-MoO3 and α-MoO3 nanocrystals: comparative study on photocatalytic degradation of methylene blue under visible light irradiation.: This study compares the efficiency of hexagonal and orthorhombic molybdenum trioxide nanocrystals in degrading methylene blue, offering insights into their photocatalytic behaviors (Chithambararaj et al., 2013).


• Novel MoO2/carbon hierarchical nano/microcomposites: synthesis, characterization, solid state transformations and thiophene HDS activity.: The research introduces a new type of molybdenum dioxide-carbon composite material with applications in hydrodesulfurization, demonstrating significant industrial potential (Avendaño et al., 2013).

Hinweis zur Analyse

Gehalt (als MoO₃):   81,0–83,0 %
Gehalt ((NH₄)₆Mo₇O₂₄ x 4 H₂O): ≥ 99,0 %
Unlösliche Anteile: ≤ 0,005 %
Chlorid (Cl): ≤ 0,0005 %
Nitrat (NO₃): entspricht
Phosphat (PO₄): ≤ 0,0005 %
Phosphat, Arsenat, Silicat (als PO₄): ≤ 0,0005 %
Sulfat (SO₄): ≤ 0,005 %
Schwermetalle (ACS): ≤ 0,001 %
Cu (Kupfer): ≤ 0,001 %
Fe (Eisen): ≤ 0,0005 %
Mg (Magnesium): ≤ 0,005 %
K (Kalium): ≤ 0,002 %
Na (Natrium): ≤ 0,01 %
Pb (Blei): ≤ 0,001 %
Entspricht ACS, ISO, Reag. Ph Eur

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable