AmberChrom™ 1x8 Chloride Form: High-Performance Strong Anion Exchange Resin
AmberChrom™ 1x8 Chloride Form is a strong anion exchange resin engineered for high-efficiency ion exchange processes. It consists of a cross-linked polystyrene-divinylbenzene (PS-DVB) matrix functionalized with quaternary ammonium groups, which remain positively charged across a wide pH range. Supplied in the chloride (Cl⁻) form, this resin is particularly effective for removing or exchanging negatively charged species (anions) in aqueous media.
Used in both analytical and industrial-scale processes, AmberChrom™ 1x8 is known for its high capacity, chemical durability, and versatility across a broad range of applications.
Key Specifications
Matrix: Cross-linked polystyrene-divinylbenzene (typically 8% DVB)
Functional Group: Trimethylammonium (-N⁺(CH₃)₃)
Ionic Form: Supplied in chloride (Cl⁻) form
Type: Strong Base Anion Exchange (SBA), Type I
Exchange Capacity: Typically ~1.2–1.4 meq/mL (wet basis)
Bead Size: Uniform or standard gel beads (typically 300–1200 µm depending on grade)
Key Features
Strong Base Functionality: Maintains ion exchange capacity across the full pH range (0–14), ideal for rigorous conditions.
Chloride Form: Ready for immediate use in applications involving exchange of Cl⁻ for other anions (e.g., sulfate, nitrate, bicarbonate).
High Chemical and Thermal Stability: Resists degradation by acids, bases, and many organic solvents.
Low Fouling Potential: High cross-linking and optimized hydrophobicity minimize organic fouling and extend operational life.
Regenerable: Easily regenerated using standard acid or salt solutions, such as NaOH or NaCl.
Applications
Deionization and Water Treatment: Removes strong and weak acid anions (e.g., SO₄²⁻, NO₃⁻, HCO₃⁻) in water purification and softening systems.
Pharmaceutical Processing: Used for purification and isolation of anionic compounds, including biomolecules and drug intermediates.
Food and Beverage Industry: Assists in color removal, flavor adjustment, and deashing of juices, sweeteners, or fermentation broths.
Chemical Manufacturing: Applied in catalyst recovery, organic acid purification, and waste stream neutralization.
Laboratory-Scale Ion Exchange Chromatography: Supports analytical separations and resin screening workflows.
Operating Guidelines
| Parameter | Typical Range |
|---|---|
| pH Range | 0 – 14 |
| Operating Temperature | Up to 60°C (standard) |
| Regeneration | 4–10% NaCl or 2–4% NaOH |
| Flow Rate | 1–5 bed volumes/hour (BV/h) |
| Swelling (Cl⁻ to OH⁻) | ~20–25% volume increase |
Storage and Handling
Store in a tightly sealed container with moisture to prevent drying.
Avoid freezing. Store between 5°C and 40°C.
If resin dries out, rehydrate slowly in deionized water.
Handle with gloves and eye protection during regeneration and disposal.
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