Dionex IonPac CG12A Guard Column - Cation-Exchange Guard for Ion Chromatography

The Dionex IonPac CG12A is a cation-exchange guard column designed to protect the IonPac CS12A analytical column in ion chromatography (IC) systems. Manufactured by Thermo Scientific (Dionex), this guard column extends the life of your analytical column by trapping particulates and strongly retained contaminants before they reach the separator.

Key Specifications:

• Manufacturer: Thermo Scientific (Dionex)
• Column Type: Cation-exchange guard column
• Compatible Analytical Column: IonPac CS12A
• Format: 4 mm (standard analytical)
• Latex: Grafted carboxylate-functionalized
• Solvent Compatibility: pH 0–14
• Part Number: 046076

Why Use the IonPac CG12A Guard Column?

Guard columns are essential for maintaining IC system performance and reducing cost-per-analysis. The CG12A captures sample matrix contaminants, protecting the CS12A analytical column from fouling and irreversible damage.

Replacing a guard column costs significantly less than replacing an analytical column. Thermo Scientific recommends installing a CG12A guard whenever running complex matrices such as drinking water, wastewater, food extracts, or biological samples.

Applications:

• Drinking water cation analysis (Na⁺, K⁺, Ca²⁺, Mg²⁺, NH₄⁺, Li⁺)
• Environmental monitoring (EPA Method 300.1 cations)
• Food and beverage mineral profiling
• Power plant water chemistry
• Pharmaceutical cation analysis

System Compatibility:

The IonPac CG12A guard column is compatible with all Dionex ICS-series ion chromatography systems, including the ICS-5000+, ICS-6000, and Aquion systems. Use with CSRS 300 or CERS 500e suppressors for optimal suppressed conductivity detection.

Order from Eke Lab Shop. Contact us for compatible accessories and system configuration support.