Astrictives(Aluminum Sulfate)

Langyou Chemical

Astrictives(Aluminum Sulfate)
Specifications

HS Code

480567

Chemical Formula Al2(SO4)3
Molar Mass 342.15 g/mol
Appearance White crystalline solid
Solubility In Water Soluble
Odor Odorless
Density 2.676 g/cm³
Melting Point 770 °C (decomposes)
Ph In Solution Acidic
Hygroscopicity Hygroscopic
Use Used in water treatment, paper industry, etc.
Packing & Storage
Packing Aluminum Sulfate packaged in 25 - kg bags for astrictives use.
Storage Aluminum sulfate, an astringent chemical, should be stored in a cool, dry place. Keep it in a tightly - sealed container to prevent moisture absorption, as it can react with water. Avoid storing near incompatible substances like strong bases. Ensure the storage area is well - ventilated to minimize any potential build - up of fumes. This helps maintain its quality and safety during storage.
Shipping Astrictives (Aluminum Sulfate) is shipped in sealed containers to prevent moisture absorption. It's transported with care, ensuring compliance with chemical shipping regulations to avoid any spillage or damage during transit.
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Astrictives(Aluminum Sulfate)
General Information
Historical Development
To taste the evolution of things, each has its own way. The origin of Astrictives (Aluminum Sulfate) can be traced back to the past. The ancestors of the ancient times gradually noticed things in daily life. At the beginning, I didn't know the details, but when I saw things and encounters, strange changes happened.
Over the years, the wise men devoted themselves to their research. Or in the art of alchemy, or in the matter of dyeing and weaving, and gradually learned its nature. Knowing it is effective in clarifying the water quality and fixing the color of the fabric.
The years pass, the craftsman is ingenious and makes good use of its ability. In the workshop Lu Lane, the effect of Astrictives (Aluminum Sulfate) is gradually apparent. After the scholars, to carry forward the ambition of the former, in-depth investigation, understanding, refining the law, so that the use of this product, more extensive, in all industries have its contribution, the evolution process, can be said to be brilliant.
Product Overview
A chemical researcher tried Astrictives (Aluminum Sulfate). Astrictives (Aluminum Sulfate), that is, aluminum sulfate. It is a white crystalline powder that is easily soluble in water.
This product has a wide range of uses. In the paper industry, it can be used as a sizing agent to help improve the water resistance of paper. In the water treatment industry, it can be used as a flocculant to make impurities suspended in water settle, in order to achieve the effect of purifying water quality. In the printing and dyeing industry, it can also be used as a mordant to help dyes better adhere to fabrics.
Astrictives (Aluminum Sulfate) are stable in nature, but should also be paid attention to when using. Avoid mixing with alkaline substances to prevent chemical reactions and damage their efficacy. Store in a dry and cool place to avoid moisture and deterioration. In this way, it is possible to ensure that this chemical product performs well and is useful in various industries.
Physical & Chemical Properties
Astrictives (Aluminum Sulfate), that is, aluminum sulfate. Its material has various physical and chemical properties. Looking at its physical properties, it is often white crystalline powder, odorless, and easily soluble in water. Its aqueous solution is acidic, due to the hydrolysis of aluminum ions.
On its chemical properties, aluminum sulfate can react with many substances. In case of alkali, aluminum hydroxide precipitates, which is its important chemical property. It can also be used for water purification. The aluminum hydroxide colloid formed by hydrolysis can absorb suspended impurities in water and clarify the water. It is also used in papermaking, printing and dyeing and other industries, all due to its unique physical and chemical properties.
Technical Specifications & Labeling
For Astrictives (Aluminum Sulfate), its technical specifications and identification (product parameters) are the key. This product is related to many fields, and its technical specifications need to be accurate. In the preparation method, the selection of raw materials should be precise, and the proportion should be accurate. The combination of aluminum element and sulfate, the temperature and duration are all determined.
In terms of identification, it is essential that the product parameters are clear. For example, the standard of purity must be accurate to a few digits, and the impurities contained should also be listed in detail. On the packaging, there should be an eye-catching mark indicating its characteristics, uses and precautions. In this way, when this Astrictives (Aluminum Sulfate) product is circulated in the market, everyone can make good use of it according to its technical specifications and labels.
Preparation Method
The method of refining Astrictives (Aluminum Sulfate), the first heavy raw material. Pure bauxite and sulfuric acid should be selected, the two are fundamental. The production process involves first pouring an appropriate amount of sulfuric acid into the bauxite and stirring it slowly to make it fully contact. The reaction step is initially slow and gradually intensifies. You need to pay attention to the temperature to prevent overheating.
Wait for the reaction to take a break, move it to a special container, let it stand in a suitable temperature, and promote its full synthesis. In the meantime, controlling the reaction rhythm is the key. If the rhythm is appropriate, the product will be pure.
As for the catalytic mechanism, a small amount of additives can be added to help it react quickly and completely. In this way, through various processes, refined Astrictives (Aluminum Sulfate) products can be obtained for the needs of all parties.
Chemical Reactions & Modifications
"On the Chemical Reaction and Modification of Aluminum Sulfate"
Aluminum sulfate (Astrictives) is one of the chemical products. It has a unique chemical reaction and is widely used in various industries and experiments. Looking at its reaction, or the precipitation with alkali phase and raw aluminum hydroxide, this is a common chemical change.
However, if you want its better performance, the modification method is indispensable. After modification, its stability or increased, solubility or excellent, and the scope of application has also been expanded. For example, in the paper industry, modified aluminum sulfate can improve the performance of paper and make the fibers more tightly bonded.
In the field of water treatment, after chemical modification, its flocculation effect is enhanced, which can purify water quality more effectively. Therefore, the study of its chemical reaction and modification is of great significance to the development of chemical products.
Synonyms & Product Names
Astrictives (Aluminum Sulfate) are aluminum sulfate, which is widely used in industry and life. It is synonymous with alum stone, and it is also called the refined product of alum.
In the paper industry, aluminum sulfate can be used as a sizing agent to make paper smooth and water-resistant; in water treatment, it can flocculate impurities and clarify water quality. In the printing and dyeing industry, it can be used as a mordant to help dyes adhere to fabrics.
Throughout the ages, its applications have continued to expand. Although there are various names, they all refer to this thing. With the advance of technology, aluminum sulfate is used for new or current purposes, and continues to serve various industries, making great contributions to the development of people's livelihood and industry.
Safety & Operational Standards
"Code of Use for Alum"
The chemical name of alum is Aluminum Sulfate (Astrictives (Aluminum Sulfate)). This product is widely used, but its safety and operation standards cannot be ignored.
In terms of safety, alum is a commonly used product, but it should not be ignored. It is slightly toxic in nature, and if ingested in excess, it may be harmful to human health. In children, pregnant women and the elderly, special caution is required. If you accidentally touch the skin, rinse it with water as soon as possible; if it enters the eyes, you need to seek medical attention immediately without delay.
As for the operation specifications, in the production workshop, when the craftsman is working, in front of protective equipment, such as masks, gloves, etc., to prevent inhalation or contact. When storing, it should be placed in a dry and cool place, protected from fire and moisture, to avoid its qualitative change. For use, it should be based on the exact amount, and it should not be increased or decreased arbitrarily. For water purification, the appropriate dose must be determined according to the different water quality. If it is used for dyeing, tanning, etc., it is also necessary to follow the established rules, so as not to cause harm through illegal operations.
In general, the use of alum is of great benefit, but safety and operating standards are related to the quality of human life and things. They should be careful and not slack in the slightest, so as to ensure that everything goes smoothly and there is no worry.
Application Area
Astrictives (Aluminum Sulfate) are widely used in many fields. In the papermaking industry, it can be used as a sizing agent to improve the water resistance of paper, improve the bonding between fibers, and improve the quality of paper. In the purification of water, it can be used as a flocculant to make suspended particles in water gather and settle, and the water quality is clarified to meet drinking or industrial water standards. In the printing and dyeing industry, it can be used as a mordant to help dyes firmly adhere to fabrics, with bright and long-lasting color. In soil improvement, it can adjust the pH value of acidic soil, increase the availability of soil nutrients, facilitate plant root absorption, and promote plant growth. All of these demonstrate the wide and important application of Astrictives (Aluminum Sulfate).
Research & Development
Those who have tasted the world's chemical research products have continued to study the products of Astrictives (Aluminum Sulfate). This product is also unique in nature and has a wide range of uses.
At the beginning of the research, I carefully observed its properties, analyzed its ingredients, and knew that it was useful in all things chemical. At the beginning, the preparation method was not good, the amount of production was small, and the quality was not high.
However, the researchers did not dare to slack off, and they tried new methods over and over again. Or change the matching of its raw materials, or adjust the temperature of its reaction, or change the order of its operation. After years of work, the preparation method has gradually refined, and the output has increased day by day, and the quality is also good.
The use of Astrictives (Aluminum Sulfate) has gradually spread to papermaking, water purification and other industries, which is beneficial to the prosperity of industry and the well-being of people's livelihood. And researchers are still thinking about making progress, hoping to develop their capabilities in more fields, promote the progress of the industry, and seek the prosperity of development. This is the will of those who study this thing.
Toxicity Research
The chemical industry is related to people's livelihood, but the investigation of poisons cannot be ignored. Today there are Astrictives (Aluminum Sulfate), and the research on its toxicity is quite important.
Astrictives (Aluminum Sulfate) have many applications in industry. However, if people accidentally touch it or eat it by mistake, it will be very harmful. After research, if this substance enters the body, it may damage the organs, especially the liver and kidneys. Long-term exposure may also disturb the metabolism of the human body and cause dysfunction.
It also has an impact on the environment. If it flows into the water source, it may harm aquatic organisms and upset the balance of the ecology. Therefore, it is urgent to study its toxicity, understand its harm, make regulations to avoid it, and ensure people's safety and peace.
Future Prospects
Looking at Astrictives (Aluminum Sulfate), it is an essential product of chemistry. Looking to the future, its development can be looked forward to.
In the field of industry, Astrictives (Aluminum Sulfate) can be used to purify water, which can make the water clear and remove its impurities. In the future, with the gradual rise of industry, the amount of water used is increasing, and the demand for water purification is also strong. In the process of water purification, it will be expanded.
In the papermaking industry, it can be used as a sizing agent to make paper performance better. With the increasing technology of papermaking, the quality and quantity of Astrictives (Aluminum Sulfate) are higher, and its development should also follow the trend.
On top of agriculture, it can adjust the pH of soil and help plants grow. In the future, if agriculture wants to achieve high yield and high yield, soil improvement is indispensable, and Astrictives (Aluminum Sulfate) will be able to make great use of it. Therefore, the future development of Astrictives (Aluminum Sulfate) has endless potential and promising prospects.
Frequently Asked Questions
What are the main uses of aluminum sulfate?
Aluminum sulfate is widely used in the world.
First, in the papermaking industry, aluminum sulfate has an extraordinary effect. When making paper, adding this material to the pulp can help the paper form, make it tougher, and optimize the surface texture of the paper, making writing and printing smoother. Because aluminum sulfate can interact with many components in the pulp to build a stable structure, thereby improving the quality of paper.
Second, in the field of water purification, aluminum sulfate also plays a key role. There are many impurities in the water, resulting in turbid water. After aluminum sulfate is put into water, it will quickly hydrolyze to form an aluminum hydroxide colloid. This colloid has a strong adsorption power, which can adsorb and condense impurities such as suspended particles and bacteria in water, so that they can settle, so that the water quality can be clarified and meet drinking and other water standards.
Third, in the printing and dyeing industry, aluminum sulfate also plays an important role. When printing and dyeing, it is difficult to color the fabric, and the color is not firmly attached. Aluminum sulfate can be used as a mordant to help the dye combine closely with the fabric fibers, making the dyeing more uniform, the color is more bright and lasting, and the printing and dyeing effect is greatly improved.
Fourth, in the tanning industry, aluminum sulfate is also indispensable. When leather is tanned, aluminum sulfate can react with leather fibers to enhance the water resistance and mechanical strength of leather, making leather tougher and more durable, and preventing leather from rotting and deteriorating, prolonging its service life.
In addition, in many industries such as chemical industry and medicine, aluminum sulfate is also used. It can be used as a catalyst or as a raw material for the preparation of other compounds, and its uses are complex and difficult to describe. In short, aluminum sulfate plays an important role in many fields and has a profound impact on human production and life.
What is the principle of aluminum sulfate in water treatment?
Alum, in the way of water governance, the effect is remarkable, and the reason is quite deep. Today, it is said by Aluminum Sulfate.
Aluminum sulfate enters the water, dissolves quickly and separates, and produces many hydrated ions. The important one is aluminum ions (Al ³ 🥰). Aluminum ions are hydrolyzed in water to produce aluminum hydroxide (Al (OH) 🥰) colloids. This colloid has a large surface area and is positively charged.
The fouling in water is mostly negatively charged. Positive and negative attraction, the fouling adheres to the aluminum hydroxide colloid. Then the colloid and the fouling coalesce, and the particles gradually increase, which is called flocculation. The flocculation gradually sinks, and the turbidity of the water is removed, and the water is clear because of it.
And aluminum sulfate is hydrolyzed to increase the acidity of water. Moderate acid can adjust the pH value of water, which is crucial in some water treatment links. If it is disinfected, the appropriate pH value can increase the effect of disinfectants.
And aluminum sulfate can remove microorganisms in water. Aluminum hydroxide colloid adsorbs microorganisms to make them sink and reduce the microbial biomass in water. In addition, the acidic environment of hydrolysis is also unfavorable for the existence of some microorganisms, achieving the purpose of disinfection and sterilization.
Furthermore, aluminum sulfate can remove phosphorus in water treatment. Phosphate ion (PO ^ 3 ^) precipitates with aluminum ion and insoluble aluminum phosphate (AlPO ^), which reduces phosphorus content in water, prevents eutrophication of water body and protects water ecology.
What are the common physical properties of aluminum sulfate?
Aluminum sulfate is also commonly known as aluminum sulfate. Its common physical properties are of great concern to the world, and today I will tell you in detail.
Aluminum sulfate is a white crystalline powder under normal conditions, which is pure in appearance and has a fine texture. Its taste is astringent, and it is placed under the nose to smell, with no significant odor, and is relatively flat.
In terms of its solubility, aluminum sulfate is easily soluble in water, and melts in contact with water. The aqueous solution is clear and transparent. When aluminum sulfate is integrated into water, it quietly disperses and fuses with water molecules, seeming to be intangible but solid. This property makes it useful in many fields.
Furthermore, the melting point of aluminum sulfate is 770 ° C. When heated to this temperature, it gradually melts from solid to liquid, just like ice and snow melting when heated. However, it should be noted that when heated, aluminum sulfate will gradually decompose, releasing sulfur trioxide and other substances, which are also its characteristics of heating.
The density of aluminum sulfate is about 2.71g/cm ³, which is slightly heavier than that of common things. If you hold it a little, you can feel its weight is slightly heavier. This density characteristic also makes it play a unique role in some occasions where weight is required.
In addition, aluminum sulfate has a certain degree of hygroscopicity, and it is easy to absorb water vapor when left in the air for a long time, just like a sponge absorbs water. Therefore, when storing, it is necessary to pay attention to moisture protection, so as not to affect the quality and performance due to moisture absorption.
To sum up, aluminum sulfate's white powder appearance, solubility in water, specific melting point and density, and hygroscopicity and other physical properties make it indispensable in water purification, papermaking, medicine, and many other industries. It is used by the world and benefits people.
What are the precautions for aluminum sulfate during storage and transportation?
Aluminum sulfate (Aluminum Sulfate), in the process of Tibetan transportation, when paying attention to all things, can keep its quality pure and good use.
When it is hidden, it is the first dry place. Alum is easy to deliquescence, if placed in a wet place, it will absorb moisture and change its shape. The tide is easy to agglomerate, causing inconvenience to use, and or affecting its chemical properties, which is unfavorable for use. Therefore, choose a place with high dryness and ventilation to avoid the disturbance of wet and natural tides.
The second time is to prevent impurities. Alum should not be mixed with various foreign substances, especially alkalis. When alkali meets alum, it is easy to react chemically, causing alum to lose its original effect. When hiding, it should be kept in a separate place, and it should not be mixed with other things, and the container should also be clean and free of stains from other things.
When it is transported again, it must be protected with care. Although alum is not fragile, it may be handled roughly, or the packaging may be damaged. If the packaging is broken, alum will be exposed, and it will be vulnerable to foreign invasion and damage its quality. Handling should be handled with care, and it should not be dropped or bumped.
Furthermore, mark its mark. The packaging of alum must be marked, and its name, quality, production time, etc. should be remembered. The process of transportation should be carried out according to the logo, taken in sequence, and its shelf life should be checked. It is appropriate to use expired alum with caution.
In short, when storing and transporting alum, pay attention to dryness, preventing miscellaneous, protecting transportation, and marking things, so as to ensure its quality and prepare for future use.
What is the impact of aluminum sulfate on the environment?
Alumite (aluminum sulfate) has a significant impact on the environment. Its entry into the water may increase the acidity of the water body, the loss of acid and alkali in the water, and the aquatic spirit are all disturbed by it. Algae may multiply as a result, causing the water body to be nutrient-rich, the water color becomes turbid, and the taste is also different. It is dangerous for humans and animals to use it.
And when aluminum sulfate is applied to the soil, the chemical properties of the soil also change. Or the nutrients in the soil are unbalanced, beneficial microorganisms are difficult to survive, the development of the root system is blocked, the growth of plants is difficult, and the business of farming mulberry is inevitable.
In the atmosphere, although aluminum sulfate is not a direct source of contamination, during its production and preparation, there may be exhaust gas leakage, sulfur-containing compounds, etc., which cause acid rain and damage forests and buildings.
In addition, the harm of bioaccumulation cannot be ignored. Aluminum sulfate gradually accumulates through the food chain and accumulates in organisms, which is ultimately harmful to high-level organisms, including humans, causing health damage or disease.
Therefore, the use of aluminum sulfate should be used with caution, and the pros and cons should be weighed to prevent the environment from being seriously harmed and ensure the safety and ecological balance of all things.