คอลัมน์ HPLC สำหรับการวิเคราะห์แบบแลกเปลี่ยนแอนไอออน

Thermo Fisher Scientific Dionex IonPac AS12A

Physical & Physical-Chemical Properties
• Product Number: 046034
• Column Dimensions: 4 mm ID × 200 mm Length (Standard Bore, Analytical Format)
• Stationary Phase Packing Material: Ethylvinylbenzene / Divinylbenzene (EVB/DVB) macroporous polymer.
• Crosslinking: 55%
• Particle Size: 9 µm
• Pore Size: 2000 Å
• Anion Exchange Capacity: 52 µeq per column
• Functional Group: Alkyl quaternary ammonium
• Maximum Pressure Limit: 4,000 psi (275 bar)
• Solvent Compatibility: pH 0 to 14; compatible with 0 to 100% HPLC solvents
• Hardware Interface: Device Monitoring Enabled and Viper Fitting Ready

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Recommended Standard QAR Operating Conditions
• Eluent Composition: 2.7 mM Na₂CO₃ / 0.3 mM NaHCO₃ (Sodium Carbonate / Sodium Bicarbonate)
• Flow Rate: 1.50 mL/min
• Operating Temperature: Ambient temperature
• Detection Method: Suppressed Conductivity
• Recommended Suppressor: Dionex Anion Self-Regenerating Suppressor (Dionex ASRS 300 4mm or equivalent) operated in AutoSuppression Recycle Mode.
• Applied Suppressor Current: 22 mA
• Injection Volume: 10 µL
• Storage Solution: 100 mM NaOH (Sodium Hydroxide).

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