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Product Description:
White shiny crystalline particles or powder. Sweet. Stable in the air. Lose some water of crystallization 86.5 ° C, 250 ° C loses all water of crystallization. When heated, the violent swell and become spongy substance. Burn red hot decomposition of sulfur trioxide and alumina. When the relative humidity of about 25% lower weathering. Soluble in water, almost insoluble in ethanol, the solution was acidic. The long boiling after precipitation of insoluble basic salt. The relative density of 1.62.
Chemical Properties:
1. Easily soluble in water, aluminum sulphate insoluble in pure sulfuric acid (only co-exist) in sulfuric acid solution with sulfuric acid dissolved in water, aluminum sulfate, aluminum sulfate solubility in water solubility in sulfuric acid.
2. Normal temperature and precipitation contains 18 molecules of crystal water, 18 water aluminum sulfate, industrial production is more than 18 water aluminum sulfate. Containing anhydrous aluminum sulfate 51.3%, even 100 ° C will not autolysis (dissolved in their water of crystallization).
3. Easily weathered the loss of crystal water is relatively stable, heating water loss, high temperature will be decomposed into aluminum oxide and sulfur oxides. [3] heated to 770 ° C begins to decompose into aluminum oxide, sulfur trioxide, sulfur dioxide and water vapor. Soluble in water, acid and alkali, insoluble in ethanol. The acidic aqueous solution. Aluminum hydroxide generated after the hydrolysis. The aqueous solution boiling for a long time to generate alkaline aluminum sulfate. Industrial gray flakes, grains or massive, with pale green, with low iron salts because of cheap iron salts leaving the surface oxide yellow. The crude off-white fine grain structure of porous bar. Non-toxic, dust can be irritating to the eyes.
Use:
1. Aluminum sulfate is widely used in industrial reagents, usually alum confusion.
2. Aluminum sulfate as a paper sizing agent and drinking water, industrial water and wastewater treatment, flocculation agents, or the production of artificial gems and other aluminum salts such as ammonium alum, potassium alum, refined aluminum sulfate raw materials.
3. Also used for quality clarifier, oil deodorant in the production of bleaching agents, concrete waterproofing agent, the senior paper forging white, titanium dioxide thin-film processing and catalyst carrier.
4. Aluminum sulfate as a flocculant, which used to purify drinking water and sewage treatment equipment is also used for the paper industry.
5. Aluminum sulfate is also a very effective molluscs pesticides can kill Spain slugs.
6. Aluminum sulphate for water purification and as a medium in the textile printing and dyeing. In the purification of water, it makes the impurities condensation and easier to sedimentation and filtration. When dissolved in a large number of neutral or slightly alkaline water, a colloidal precipitate of aluminum hydroxide, Al (OH) 3. In printing and dyeing cloth, aluminum hydroxide colloid dye more easily attached above the plant fiber.
7. Aluminum sulfate is also used to adjust the soil pH, because the hydrolysis of aluminum hydroxide to produce a small amount of sulfuric acid in dilute solution.
Package:
Packaging Detail: PP/PE 50kg/bag; 25kg/bag; Jumbo bag or according to customers' requirements.
20-25MT will be loaded in per 20'FCL container.
Attention and Storage:
The product is liable to absorb moisture and clot due to long-term exposure, so shady, cool and ventilated environment is needed.
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