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Product Details:
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| Name: | Sodium Sulphate | Molecular Formula: | Na2SO4 |
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| Content: | ≥ 99% | CAS No.: | 7757-82-6 |
| Application: | Washing Chemical , Leather Treatment | Appearance: | White Powder |
| Highlight: | 7757-82-6 Sodium Sulfate Powder,Na2SO4 Sodium Sulfate Powder,99% sodium sulphate anhydrous |
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Sodium Sulphate Anhydrous Na2SO4 Sodium Sulfate 99% Min Colorless Crystal Powder
Sodium sulfate (Na2SO4) is a salt formed by the combination of sulfate and sodium ion. Sodium sulfate is soluble in water and its aqueous solution is neutral, soluble in glycerin and insoluble in ethanol. Inorganic compounds, high-purity, fine particles of anhydrous matter known as the powder. A white, odorless, bitter crystal or powder with hygroscopic properties. The shape is colorless, transparent, large crystal or granular small crystal. Sodium sulfate is easy to absorb water when exposed to the air and forms sodium sulfate decahydrate, also known as mirabilite.
| Item | Grade | |||||
| Class I | Class II | Class III | ||||
| Superior grade | First Grade | First Grade | Qualified products | First Grade | Qualified products | |
| Sodium sulfate (Na2SO4) ω/% ≥ | 99.6 | 99 | 98 | 97 | 95 | 92 |
| Water insoluble matter ω/% ≤ | 0.005 | 0.05 | 0.1 | 0.2 | - | - |
| Calcium and magnesium (calculated as Mg) ω/%≤ | - | 0.15 | 0.3 | 0.4 | 0.6 | - |
| Calcium (Ca)ω/% ≤ | 0.01 | - | - | - | - | - |
| Magnesium (Mg)ω/% ≤ | 0.01 | - | - | - | - | - |
| Chloride (calculated as Cl) ω/%≤ | 0.05 | 0.35 | 0.7 | 0.9 | 2 | - |
| Iron (Fe)ω/% ≤ | 0.0005 | 0.002 | 0.01 | 0.04 | - | - |
| Moisture ω/% ≤ | 0.05 | 0.2 | 0.5 | 1 | 1.5 | - |
| Whiteness (R457)/% ≥ | 88 | 82 | 82 | - | - | - |
Mainly used for manufacturing water glass, glass, enamel, pulp, refrigeration mixture, detergent, desiccant, dye diluent, analytical chemical reagent, medicine, feed, etc. At 241 ℃, sodium sulfate will be transformed into hexagonal crystal. Sodium sulfate is the most commonly used post-treatment desiccant in the organic synthesis laboratory. Upstream raw materials include sulfuric acid, caustic soda, etc.
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