Yogi Dye Chem Industries
Ghatkopar East, Mumbai, Maharashtra
GST No. 27AAAFY2138H1Z7
Call 08046067604 76% Response Rate
Tungsten Compounds
Ammonium Para Tungstate
| Packaging Details | 25kg Drum |
| Purity | 99% |
| Form | Powder |
| Usage/Application | Metal Processing Industry |
| CAS Number | 11120-25-5 |
| Chemical Formula | (NH4)10H2(W2O7)6 . xH2O |
| Molecular Weight | 3060.46 g/mol (anhydrous) |
| Color | White |
| Country of Origin | Made in India |
Ammonium Para Tungstate is used in Production of tungsten metal and its derivatives, Reagent for uric acid, Alkaloids, Plasma proteins, Clinical analysis of blood, Textile plastics, To form metal by reduction, Alloys, Preparation of tungstate for x-ray screen, Yellow pigment in ceramic. It is a white, finely divided, crystalline material. Controls of time, temperature, concentration, and pH, determine the quality and physical characteristics of the ammonium para tungstate crystals.
Composition:
| W | 67 - 69% |
| WO3 | 89 - 90% |
| Sodium | 21ppm |
| Silica | 20 ppm |
| Moly | 50 ppm |
| Calcium | 21ppm |
Application: Use in tungsten part, tungsten powder
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Tungstic Acid
| Formula | H2WO4 |
| Appearance | Yellow Powder |
| M.W. | 249.86 u |
| Packing | 25/50 Kg. Bags |
| Total Assay | 99.50% |
| CAS No. | 03/01/83 |
Composition:
| Tungsten Trioxide (WO3) | 92.40% |
| Sulphur (S) | 0.06% |
| Molybdenum (Mo) | Traces |
| Arsenic (As) | Less than 2 PPM |
| Copper (Cu) | 0.01% |
| Phosphorus (P) | 0.00% |
| Nitrates (NO3) | 0.00% |
| Chloride (Cl) | 0.01% |
| Sulphate (SO4) | 0.02% |
Application:
Textile (mordant, colour resist), Plastics, Tungsten Metal, Wire etc.
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Phospho Tungestic Acid
| Formula | 24WO3 2H3PO4 48H2O |
| Description | White or slightly yellowish -green, slightly efflorescent crystals or crystal powder |
| Solubility | Clear Water Solution Of 10% (W/V) |
| CAS No. | 12067-99-1 |
| Assay | 99.00% |
| Packing | 25/50 Kgs Drum |
Composition:
| Chloride | 0.04%(Upper Limit) |
| Sulfate | 0.02%(Upper Limit) |
| Heavy Metal | 0.05% (Upper Limit) |
| Ammonia | 0.02% (Upper Limit) |
| Insoluble Matter | 0.02% (Upper Limit) |
| Iron Content | 0.0003% (Upper Limit) |
APPLICATION:
As a reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, carbohydrates.
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Sodium Tungstate
| PH | 7- 8 |
| Assay | 99% - 101% |
| Packing | 25/50 Kgs Bags / Drum |
| CAS No | 10213-10-2 |
| Formula | Na2 WO4 2H2O |
| Description | Snow White Crystalline Powder |
| WO3 | 70% Min |
Sodium Tungstate dehydrate Powder that is utilized as a mordent in dyeing, for fire proofing fabrics, weighting silk, reagent pigment, tannins, aceto acetic acid, uric acid as well as decolourising acetic acid. Sodium Tungstate is Non-toxic and stable under various conditions, also used in metal process. It is prepared from tungsten ores and accurate composition, pure and having precise pH value, sodium tungstate salt is used in various laboratories.
Composition:
| Insoluble Matter | Nil |
| Titrable Free Base | 0.002 MEQ/G |
| Chloride | 0.00% |
| Nitrogen Compounds (N) | 0.00% |
| Sulphate (SO4) | 100 PPM |
| Arsenic (AS) | Nil |
| Molybdenum | Less Than 5 PPM |
| Cobalt (CO) | Less Than 10 PPM |
| Heavy Metals (As PH/CR) | Less Than 5 PPM |
Application:
Fire Proofing & Water Proofing fabrics, preparing complex compounds, such as Phosphotungstate, Silicotungstate, etc, as a reagent for biological products precipitant for alkaloids etc.
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