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Catalysts And Absorbents

Leading Manufacturer, Supplier & Retailer of Tungstic Acid, PHOSPHOTUNGSTIC ACID HYDRATE, Silico Tungstic Acid, Molybdic Acid and phospho molybdic acid.

TUNGSTIC ACID

TUNGSTIC ACID
  • Formula H2WO4. 2H20
  • MOL. Wt 249.87
  • Description An Amorphous Yellow Powder
  • Total Assay 99.0% Min
  • Sulpher (S) 0.060% Max
  • Molybdenum (Mo) Traces
  • Arsenic (As) Less Than 2PPM
  • Copper (Cu) 0.006% Max
  • Phosphorous (P) 0.002% Max
  • Nitrate (NO3) 0.004% Max
  • Chlorides (Cl) 0.005% Max
  • Sulphate (SO4) 0.015% Max
  • Iron (Fe) 0.002%
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PHOSPHOTUNGSTIC ACID HYDRATE

PHOSPHOTUNGSTIC ACID HYDRATE

  • Appearance Off-White crystalline powder
  • Synonyms Phosphowolframic Acid; tungstophosphoric Acid
  • Chemical Formula H3PO4*12WO3*xH2O
  • Formula Weight 2898.17
  • Turning yellow on exposure to light Assay (with Cinchonine) 65.0% to 70.0%
  • Insoluble Matter 0.10% maximum
  • Chloride (Cl) 0.30% maximum
  • Nitrate (NO3) 0.05% maximum
  • Sulfate (SO4) 0.20% maximum
  • Ammonium (NH4) 0.05% maximum
  • Heavy Metals (as Pb) 0.05% maximum
  • Iron (Fe) 0.02% maximum
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SILICO TUNGSTIC ACID

SILICO TUNGSTIC ACID
  • Purity 99.50%
  • CAS No. 12027-43-9
  • Appearance Slightly yellow colored powder
  • Features High purity, Elevated shelf life, Accurate pH value, Water soluble
  • Molecular Formula H4(SiW12O40)xH2O
  • Molecular Weight 2878.17 (anhydrous basis)
  • H.S. Code 2811.2
  • pH value Acidic
  • Solubility in water [% weight] Soluble in water
  • Applications  Catalyst, Reacting Phenol With Phthalic Anhdride, Trialkyl benzene, Caprolactam, Sulfur Compounds, Phenolphtalein, Cyclopentanol Glutaric Acid, Acrolein and /or Acrylic Acid, Crude oil hydrorefining Process

SPECIFICATION

 

Certificate of Analysis
MF H6O41SiW12
CAS NO. 12027-43-9
ASSAY 99.2 to 99.8 %
W 65 to 68 %
WO3 80 to 83%
Analysis Result
Status Crystalline Powder
Color White to yellowish colored
Solubility Water
pH 4 to 5 %
Water Insolubles 0.01 to 0.021 %
Loss On Drying 15 to 18 %
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Molybdic Acid

Molybdic Acid
Specifications:h2moo4. mol. W.161.95description white to pale yellow powderassay (as moo3) 85% max.Ar. Ph, si, (sio2) 0.01% max.Chloride (cl) 0.01% max.Phosphate (po4) 0.005% max.Sulphate (so4) 0.02% max.Iron (fe) 0.005% max.Heavy metal (pb) 0.003% max.
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phospho molybdic acid

Phospho Molybdic Acid
Phospho Molybdic AcidMaterial-Phospho Molybdic AcidImpurities-0.01% insolublesDensity-1.62 gmL at 25 C(lit.)Chloride (cl)-0.02%Sulfate-0.025%Ca-0.02%Fe-0.005%
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