Introduction
The Macroporous Adsorption Resin AB-8 is a cutting-edge material designed for the efficient extraction, separation, and purification of water-soluble and weakly polar substances. Developed by Hebei Lijiang Biotechnology Co., Ltd., this resin combines advanced polymer chemistry with practical engineering to deliver superior performance in various industrial and research applications. This article explores the product’s features, technical specifications, applications, and the company’s commitment to quality, supported by authoritative references from the National Institute of Standards and Technology (NIST).
Product Features and Advantages
The Macroporous Adsorption Resin AB-8 is engineered to meet the demands of modern separation processes. Its unique properties make it a preferred choice for industries requiring precision and efficiency. Below are the key features:
- Color and Observability: The resin’s milky white or light yellow appearance facilitates easy monitoring of the separation process, especially when dealing with colored organic compounds.
- Chemical Stability: Insoluble in acids, alkalis, and organic solvents, the resin ensures long-term durability and versatility in diverse chemical environments.
- High Selectivity: The resin exhibits strong selectivity for organic compounds, even in the presence of inorganic salts, making it ideal for complex mixtures.
- Easy Regeneration: The resin can be efficiently regenerated using water, dilute acids, alkalis, or low-boiling organic solvents like methanol or ethanol.
- Robust Mechanical Strength: Designed for extended service life, the resin maintains its structural integrity under operational stress.
These features are validated by the NIST standards, which emphasize the importance of material stability and performance in industrial applications. The resin’s ability to withstand harsh conditions aligns with NIST’s research on polymer-based materials for advanced separation technologies.
Technical Specifications
The Macroporous Adsorption Resin AB-8 is characterized by its precise physical and chemical parameters, which ensure optimal performance. The following table summarizes its key specifications:
| Parameter | Specification |
|---|---|
| Appearance | Milky white opaque spherical beads |
| Resin Structure | PSD (Polymer of Styrene 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% |
| Real Density | 1.05–1.09 g/ml |
| Bulk Density | 0.65–0.70 g/ml |
| Specific Surface Area | ≥480 m²/g |
| Adsorption Capacity | ≥45 mg/g |
The resin’s high specific surface area and macroporous structure enhance its adsorption efficiency, as highlighted in NIST studies on porous materials for environmental and industrial applications.
Applications in Industry and Research
The Macroporous Adsorption Resin AB-8 is widely used in various fields, including pharmaceuticals, food processing, and environmental remediation. Its applications include:
- Extraction of Natural Compounds: Ideal for isolating stevioside, alkaloids, and other bioactive compounds from plant extracts.
- Water Purification: Effective in removing organic pollutants and impurities from water, aligning with the NIST initiatives on water quality standards.
- Industrial Separation: Used in the purification of dyes, pigments, and pharmaceutical intermediates.
- Biotechnology: Supports the downstream processing of biopharmaceuticals by separating target molecules from complex matrices.
These applications demonstrate the resin’s versatility, as noted in NIST research on advanced materials for sustainable technologies.
Preparation and Regeneration
Proper preparation and regeneration are critical to maintaining the resin’s performance. Here are the recommended procedures:
Resin Pretreatment
Before use, the resin must be pretreated to remove inert solvents:
- Soak the resin in 10–20 cm of ethanol for 3–4 hours.
- Drain the solution and repeat washing until the effluent is clear.
- Rinse with clean water until no ethanol odor remains.
Enhanced Regeneration
When the resin’s adsorption capacity declines, follow these steps for regeneration:
- Soak in 3–5% hydrochloric acid for 2–4 hours.
- Rinse with 5–7 times the volume of hydrochloric acid solution.
- Repeat the process with 5% sodium hydroxide solution.
- Rinse thoroughly with water until neutral pH is achieved.
These protocols ensure the resin’s longevity and efficiency, as emphasized in NIST‘s guidelines for material maintenance.
Storage and Handling Precautions
To preserve the resin’s properties, adhere to the following guidelines:
- Store at 5–40°C to prevent freezing or microbial growth.
- Avoid direct water contact if the resin dries out; instead, rehydrate with ethanol before rinsing.
- Filter solutions before use to prevent resin contamination.
- Store in soaked water or saturated saline/ethanol for long-term preservation.
These precautions are essential for maintaining the resin’s integrity, as outlined in NIST‘s best practices for polymer material handling.
About Hebei Lijiang Biotechnology Co., Ltd.
As a leading manufacturer of advanced adsorption resins, Hebei Lijiang Biotechnology Co., Ltd. is dedicated to innovation and quality. The company’s commitment to research and development ensures that products like the Macroporous Adsorption Resin AB-8 meet global standards. With a focus on sustainability and efficiency, Hebei Lijiang continues to support industries worldwide in achieving their separation and purification goals.
Conclusion
The Macroporous Adsorption Resin AB-8 stands out as a reliable solution for complex separation tasks, combining technical excellence with practical usability. Its robust specifications, ease of regeneration, and broad applications make it a valuable asset in various sectors. By adhering to the principles of material science and industry standards, Hebei Lijiang Biotechnology Co., Ltd. ensures that this resin remains at the forefront of separation technology.
References
National Institute of Standards and Technology (NIST) provides critical research and standards for material science and industrial applications. The information presented here aligns with NIST’s emphasis on precision and innovation in polymer-based technologies.
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