The Macroporous Adsorption Resin AB-8 is a cutting-edge solution for the extraction, separation, and purification of water-soluble and weakly polar substances. Developed by Hebei Lijiang Biotechnology Co., Ltd., this resin combines advanced material science with practical engineering to deliver exceptional performance in various industrial and research applications. This article provides a comprehensive overview of the product’s features, technical specifications, application scenarios, and the company’s expertise.
Product Overview
The Macroporous Adsorption Resin AB-8 is a styrene-type weakly polar copolymer synthesized using divinylbenzene as a crosslinking agent, methyl acrylate as a monomer, and toluene as a porogen. Its unique structure enables it to efficiently adsorb and separate a wide range of organic compounds, including stevioside, alkaloids, and other water-soluble substances. The resin’s physical and chemical stability, coupled with its high adsorption capacity, makes it a preferred choice for industries requiring precision in purification processes.
For more details about the product, visit the Macroporous Adsorption Resin AB-8 page on the official website of Hebei Lijiang Biotechnology Co., Ltd.
Key Features of AB-8 Macroporous Adsorption Resin
- High Visibility: The resin’s milky white or light yellow appearance allows for easy observation during processing, facilitating the separation and purification of colored organic compounds.
- Chemical Stability: Insoluble in acids, alkalis, and organic solvents, the resin offers flexibility in selecting adsorbents and desorbents for diverse applications.
- Excellent Selectivity: The resin exhibits strong selectivity for organic matter, remaining unaffected by the presence of inorganic salts.
- Easy Regeneration: The resin can be regenerated using water, dilute acids, dilute alkalis, or low-boiling organic solvents like methanol, ethanol, or acetone.
- Durability: With high mechanical strength, the resin ensures a long service life, reducing operational costs and downtime.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Milky white opaque spherical beads |
| Resin Structure | PSD (Polystyrene Divinylbenzene) |
| Polarity | Weakly polar |
| Moisture Content | 65%–75% |
| Particle Size Range | 60–16 mesh (0.3–1.25 mm) ≥90% |
| Average Pore Size | 13–14 nm |
| Pore Volume | 0.73–0.77 ml/g |
| Porosity | 42%–46% |
| Specific Surface Area | ≥480 m²/g |
| Adsorption Capacity | ≥45 mg/g |
Applications and Use Cases
The AB-8 Macroporous Adsorption Resin is widely used in industries such as pharmaceuticals, food processing, and environmental engineering. Its ability to adsorb and separate water-soluble and weakly polar substances makes it ideal for:
- Pharmaceuticals: Extraction and purification of alkaloids, glycosides, and other bioactive compounds.
- Food Industry: Purification of natural sweeteners like stevioside and removal of impurities from food extracts.
- Environmental Protection: Removal of organic pollutants from wastewater and industrial effluents.
- Research and Development: Separation of complex mixtures in analytical chemistry and biotechnology.
For further insights into the resin’s applications, refer to the product page.
Company Background: Hebei Lijiang Biotechnology Co., Ltd.
Hebei Lijiang Biotechnology Co., Ltd. is a leading manufacturer of advanced adsorption materials, specializing in the development and production of macroporous adsorption resins. With decades of experience in material science and chemical engineering, the company has established itself as a trusted supplier to industries worldwide. Their commitment to innovation and quality ensures that their products meet the highest standards of performance and reliability.
For more information about the company, visit the Hebei Lijiang Biotechnology Co., Ltd. website.
Preparation and Regeneration Procedures
Resin Pretreatment
Before use, the resin must be pretreated to remove inert solvents. The process involves:
- Soaking the resin in 10–20 cm of ethanol for 3–4 hours.
- Draining the soaking solution and rinsing repeatedly until the effluent is clear.
- Washing with clean water until no ethanol odor remains.
Enhanced Regeneration
When the resin’s adsorption capacity decreases, enhanced regeneration is required:
- Soak the resin in 3–5% hydrochloric acid for 2–4 hours.
- Rinse with 5–7 times the resin volume of hydrochloric acid solution.
- Soak in 5% sodium hydroxide solution for 2–4 hours.
- Rinse with 5–7 times the resin volume of sodium hydroxide solution until neutral pH is achieved.
Storage and Handling Precautions
- Store the resin at temperatures between 5–40°C to prevent freezing or mold growth.
- If the resin dries out, restore it by soaking in ethanol before rinsing with water.
- Ensure the solution to be adsorbed is filtered and clarified to avoid resin contamination.
- Store the resin in clean water or saturated saline/ethanol when not in use.
Scientific Validation and Industry Standards
The performance of macroporous adsorption resins is supported by rigorous scientific research. According to the National Institute of Standards and Technology (NIST), advanced adsorption materials play a critical role in modern separation technologies. NIST’s research on materials characterization ensures that such products meet precise specifications for industrial applications.
For more information on NIST’s role in materials science, visit the NIST website.
Conclusion
The Macroporous Adsorption Resin AB-8 is a versatile and reliable solution for the extraction, separation, and purification of water-soluble and weakly polar substances. Its exceptional technical specifications, combined with the expertise of Hebei Lijiang Biotechnology Co., Ltd., make it an indispensable tool in various industries. By following proper preparation, regeneration, and storage protocols, users can maximize the resin’s efficiency and lifespan.
References
National Institute of Standards and Technology (NIST). (2025). Materials Characterization and Standards. Retrieved from https://www.nist.gov/.
Hebei Lijiang Biotechnology Co., Ltd.. (2025). Macroporous Adsorption Resin AB-8 Product Specifications. Retrieved from https://www.lijiresin.com/macroporous-adsorption-resin-ab-8.html.
Hebei Lijiang Biotechnology Co., Ltd, is a new material manufacturer specializing in the production of high-performance special ion exchange resins.mixed bed resin suppliers It is a modern high-tech enterprise that integrates the research and development,production, sales, and service of resin materials and resin terminal products.ion exchange resin The company is committed to producing high-quality industrial grade, food grade,pharmaceutical grade, and nuclear grade resins.cation exchange resin It has passed ISO9001 management certification,SGS certification, and WQA international certification from the American Water Quality Association, and has obtained a national food hygiene license. Food grade resin products comply with FDA standards in the United States.super blog