| Customization: | Available |
|---|---|
| CAS No.: | 10043-01-3 |
| Formula: | Al2(So4)3 |
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Aluminum sulfate is a widely used inorganic compound with the chemical formula Al2(SO4)3. It exists in various forms, including anhydrous and hydrated salts. The most common hydrated form is Al2(SO4)3·18H2O. It is typically found as a white crystalline solid or powder and is highly soluble in water, forming acidic solutions.
Aluminum sulfate is a widely used industrial reagent that is often confused with alum. It is commonly used as a coagulant in the purification of drinking water and wastewater treatment facilities, as well as in the papermaking industry. In its natural state, aluminum sulfate rarely exists as an anhydrous salt. Instead, it forms a series of hydrates, among which aluminum sulfate octadecahydrate (Al2(SO4)3·18H2O) is the most common. Aluminum sulfate is also an effective molluscicide, capable of killing the Spanish slug.
| TEST ITEMS | TEST STANDARD | |||||
| I | II | |||||
| solid | liquid | solid | liquid | |||
| First Grade | Qualified | First Grade | Qualified | |||
| Al2O3 w/% | 16.0 | 7.0 | 15.8 | 15.6 | 6.0 | 6.0 |
| Fe w/% | 0.0050 | 0.0025 | 0.30 | 0.50 | 0.25 | 0.50 |
| Water insoluble substances w/% | 0.10 | 0.50 | 0.10 | 0.20 | 0.05 | 0.10 |
| PH w/% | 3.0 | 2.0~4.0 | 3.0 | 2.0~4.0 | ||
Food Industry
1. Firming Agent:
• Aluminum sulfate is used as a firming agent in pickling and vegetable processing. It helps maintain the texture and firmness of pickles and other preserved vegetables.
2. pH Control and Clarification:
• It is used to control the pH level of water in the production of soft drinks and beer and to clarify the water. This helps maintain the desired taste and quality of these beverages.
• In the processing of beetroot, tomatoes, and other vegetables, aluminum sulfate helps stabilize the pH level.
3. Sugar and Wine Production:
• Aluminum sulfate is used to clarify beet juice, helping to remove impurities and improve the purity of the final sugar product.
• In winemaking, it can be used to control the pH level and stabilize the color of wine.
4. Leavening Agent:
• In baking, such as in cake mixes, aluminum sulfate acts as a leavening acid, helping the dough to rise by releasing carbon dioxide when heated.
Papermaking Industry
1. Sizing Agent:
• Aluminum sulfate is a commonly used sizing agent in the papermaking process, enhancing the water resistance and anti-seepage properties of paper. It combines with sizing materials such as rosin emulsion and wax emulsion to form a uniform coating that prevents paper from absorbing water, thereby improving the quality and service life of the paper.
2. Precipitant:
• In the pulp treatment process, aluminum sulfate acts as a precipitant, removing lignin and hemicellulose components from wood pulp, thereby improving the quality of the paper. It also helps other sizing materials (such as rosin emulsion) adhere better to the fibers.
3. Enhancing Paper Strength:
•Aluminum sulfate strengthens the bonds between fibers in the pulp by combining with them, thereby increasing the strength and smoothness of the paper.
4. pH Control:
• The acidic nature of aluminum sulfate helps regulate the pH during the papermaking process, ensuring that the pulp is processed under appropriate acidic conditions, which enhances the stability and quality of the paper.
5. Other Applications:
• Aluminum sulfate can also be used as a filler and fixative for paper, further improving the performance of the paper.
Shouguang Bangze Chemical Co.,Ltd. is located in the sea salt capital of China- Shouguang Weifang City, Shandong Province. Our company was founded in 2016, mainly engaged in the production and sales of chemical products, so far a total of 38 series, such as magnesium oxide, sodium bicarbonate, calcium chloride, sodium sulfate, fertilizer and additives.
After eight years of development, our company has 268 domestic cities and 32 foreign countries markets. We now have a professional international trade team. At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain,wins the market and customers. Your satisfaction is our driving force.Quality is the soul of our enterprise and that is what we have always done.
Shouguang Bangze Chemical always adhere to the principle of"integrity management, mutual benefit, and common development.",and meet the different needs of customers with high-quality products,reasonable prices and good services. We sincerely hope to establish a long-term cooperative relationship with you.
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