All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(77 products available)
There are several anhydrous sodium carbonate types, including food-grade, pharmaceutical-grade, technical-grade, and desiccant grade. These variations are based on purity levels, potential applications, and production methods.
Industrial-grade sodium carbonate anhydrous is mainly utilized in manufacturing processes, including glass production, where large quantities are needed. It may not be as pure as other grades, as it is suitable for non-food applications, such as chemical synthesis, water treatment, and textile processing.
Pharmaceutical-grade sodium carbonate is highly pure and meets the strict regulatory standards for use in medicinal formulations. It is found in antacids and other drug formulations that require controlled, high-purity excipients. This type is usually not needed in industrial applications.
This sodium carbonate type is specifically processed for its moisture-absorbing properties. It is primarily used in moisture control applications, such as in packaging pharmaceuticals, foodstuffs, and other hygroscopic materials. While purity is key, the specific granule sizes for optimal moisture absorption are required.
Food-grade sodium carbonate has the highest purity level, suitable for food processing applications. It may be used in the preparation of certain foods, such as processing cocoa and pretzel production, where it is used in alkaline dipping solutions. It must adhere to food-grade safety standards, including testing for heavy metals and other contaminants.
Anhydrous sodium carbonate has many important features, including chemical stability, alkalinity, solubility, and particle size distribution. These key features adapt to the many needs of different industries.
As a strong alkaline compound, sodium carbonate anhydrous is mainly used to adjust and maintain the pH levels in its many applications. It helps neutralize acids and buffer solutions, making it useful in water treatment, soil conditioning, and food processing industries.
Sodium carbonate is highly soluble in water, allowing easy application in various processes. It is a vital component in glass manufacturing, quickly dissolving in water during chemical reactions. Solubility also makes it useful in chemical synthesis and textile dyeing.
An anhydrous sodium carbonate can vary significantly in its particle size and granularity. It can be in the fine powder, large granules, or even very small millimetres. These differences in size can greatly affect how effective the sodium carbonate is in different industrial applications. For example, finer powders dissolve faster and are often used in pharmaceutical and food processes. Coarser grades are mainly used in bulk applications, such as glass manufacturing.
Anhydrous sodium carbonate is non-hygroscopic and is moisture-resistant. This feature stabilizes it in humid environments, distinguishing it from grades like sodium bicarbonate, which can absorb moisture.
There are many important and diverse uses of sodium carbonate anhydrous in several industries, such as glass and water treatment and the pharmaceutical and textile industries.
One of anhydrous sodium carbonate's most important and primary uses is in glass manufacturing. Its ability lowers the melting point of silica, allowing easier glass formation. The need for pure sodium carbonate is vital since impurities can significantly affect glass quality.
In water treatment, anhydrous sodium carbonate is mainly used to increase the alkalinity of water. This alkalinity helps in precipitation and the removal of heavy metals and other impurities. This sodium carbonate also helps to balance the pH level of treated water, thus improving its quality.
Anhydrous sodium carbonate helps synthesize dyes and in the cotton textile industry. It will help maintain the required alkaline conditions during dyeing processes. It also softens water, which is very crucial in detergents, particularly in removing stains from textiles. This water-softening feature is important in achieving the pure, high-quality fabric required.
Sodium carbonate is a common ingredient in many pharmaceutical processes, typically used as a buffering agent. It also helps control the acidity and basicity of drug formulations, improving those drugs' stability and effectiveness. Its high purity level makes it an ideal candidate for this kind of application.
Anhydrous sodium carbonate is a vital reagent for producing soda ash, which is then used in many chemical processes. It plays a role in producing sodium phosphates, sodium bicarbonate, and even sodium silicate. This versatility makes it important in many chemical industries.
Its alkaline feature allows it to dissolve grease, oil, and stains, especially for heavy ones. Its anhydrous form can occasionally be stronger than bicarbonate because it does not contain water that could weaken its concentration. Its purity ensures no contaminants are left on surfaces or in cleaned products.
When purchasing anhydrous sodium carbonate, several key factors must be considered to ensure the right quality and grade are acquired for specific uses. Some of these factors include purity, particle size, and the supplier's reliability.
The purity level of the required sodium bicarbonate is critical and depends largely on the industry in which it will be used. Pharmaceutical and food processing requirements should be at much higher grades than textile or glass manufacturing. The sodium carbonate should also adhere to industry standards, such as FCC or USP grades, for the pharmaceutical and food industries.
Another factor to consider is particle size and distribution. Finer particles are typically required in the pharmaceutical and food industries to ensure they dissolve quickly and evenly. Coarser granules, like glass manufacturing, are often suitable because they dissolve more slowly. It is also necessary to consider the moisture content of anhydrous sodium carbonate, as any moisture content can affect its stability and weight consistency. Ensure the granules are stored correctly in airtight containers to prevent any moisture absorption.
This sodium carbonate grade is manufactured by a reputable and trustworthy supplier with a consistent supply record. It is also crucial to ensure they comply with international quality and safety standards. Reviewing customer testimonials and industry certifications can help gauge the supplier's credibility. It is also advisable to request samples before making a bulk purchase to independently test the product and determine its suitability for intended applications.
A1: The key difference between anhydrous and hydrated sodium carbonate is that the former has no water molecules in its crystal structure, making it an ideal form for specific industrial needs. The latter has absorbed water molecules and is mainly used for better storage stability and moisture absorption.
A2: Yes, food-grade sodium carbonate is allowed in food processing. It is mainly used in processes such as cocoa processing and pretzel making, where it helps control the acidity of the food items.
A3: Sodium carbonate increases the alkalinity of treated water through its alkaline feature. This improvement in alkalinity helps precipitate and remove heavy metal impurities. It also helps balance the pH level of the water, thus improving the overall quality of treated water.
A4: Anhydrous sodium carbonate should be stored in a dry, airtight container to prevent moisture absorption. The moisture could affect its effectiveness and stability. It should be kept in a cool, dry place away from direct sunlight and extreme temperatures.
A5: In glass manufacturing, sodium carbonate helps by lowering silica’s melting point to make it easier to form the glass. This makes the process more efficient during the manufacturing process.
