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| 【Molecular formula】 |
Na2WO4 · 2H2O |
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| 【 Description 】 |
white and cascade crystal with gloss or crystal powder, soluble in water, a little alkaline, insoluble in ethyl alcohol , can soluble a little in ammonia. Can efflorescence in the air. It will lost crastal-water and turn toanhydrous substance when heat to 100 ℃ . It will dissolution with strong acid into Tungstic acid which is water-soluble. |
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| 【 Usage 】 |
Major used in produce middle-products with tungsten material , can also be used with mordant, catalyst dyestuff and analyze reagent, fabric weighting material for spin and weave, remedy for water treatment, produce for fireproof , waterproof material, and phosphotungstic acid salt, borotungstic acid salt. |
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| 【 package 】 |
50KG iron tin or composite paper sacks (Paper-plastics compound sacks). |
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