PURIONX D311
Very high exchange capacity and excellent mechanical strength; mainly used for the adsorptive purification of citric acid and Vitamin C and for removing SO₄²⁻, Cl⁻ and NO₃⁻ in food and pharmaceutical processing
Strong (Weak) Base Capacity (mmol/g)
(≥5.5)
Volume Capacity (mmol/mL)
≥1.3
Water Retention (%)
52–73
Bulk Density (g/mL)
0.65–0.75
Specific Gravity (g/mL)
1.04–1.15
Physical & Chemical Specification Sheet — D311
Acrylic-Based Gel & Macroporous Strong and Weak Base Anion Exchange Resins · Polyacrylic Functional Amine- Grade Designation
- D311
- Ionic Form
- –
- Strong (Weak) Base Capacity (mmol/g)
- (≥5.5)
- Volume Capacity (mmol/mL)
- ≥1.3
- Water Retention (%)
- 52–73
- Bulk Density (g/mL)
- 0.65–0.75
- Specific Gravity (g/mL)
- 1.04–1.15
- Particle Size Range (%)
- 0.315–1.25 mm ≥95
- Effective Size (mm)
- 0.4–0.7
- Uniformity Coeff.
- ≤1.6
- Whole Bead After Attrition (%)
- ≥90
- Color
- White to light yellow
- Application & Engineering Notes
- Very high exchange capacity and excellent mechanical strength; mainly used for the adsorptive purification of citric acid and Vitamin C and for removing SO₄²⁻, Cl⁻ and NO₃⁻ in food and pharmaceutical processing
Custom particle size screening & ionic conversion available. COA issued per lot
Values shown represent standard production specifications. Every commercial shipment is accompanied by a lot-specific Certificate of Analysis (COA) issued by PURIONX CHEMICALS (JIANGSU) CO., LIMITED.
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