PURIONX D203
High selectivity for the removal of nitrate (NO₃⁻) and nitrite (NO₂⁻) from aqueous solutions, reducing total chlorine content
Ionic Form
Cl⁻
Strong-Base Capacity (mmol/g)
≥2.9
Volume Capacity (mmol/mL)
≥0.90
Water Retention (%)
48–58
Bulk Density (g/mL)
0.66–0.72
Physical & Chemical Specification Sheet — D203
Styrene-Based Macroporous Strong Base Anion Exchange Resin (Type I, II & Specialty) · Quaternary Ammonium (Macroporous)- Grade Designation
- D203
- Ionic Form
- Cl⁻
- Strong-Base Capacity (mmol/g)
- ≥2.9
- Volume Capacity (mmol/mL)
- ≥0.90
- Water Retention (%)
- 48–58
- Bulk Density (g/mL)
- 0.66–0.72
- Specific Gravity (g/mL)
- 1.06–1.10
- 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
- Reversible Swelling
- Cl⁻ -> OH⁻ ≤20%
- Color
- White to light yellow
- Application & Engineering Notes
- High selectivity for the removal of nitrate (NO₃⁻) and nitrite (NO₂⁻) from aqueous solutions, reducing total chlorine content
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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