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IonPac CS12A Cation-Exchange Column
Medium Capacity Column for Fast, Isocratic Separation of Cations Using MSA or Sulfuric Acid
The IonPac? CS12A is a medium-capacity, carboxylate-functionalized cation-exchange column recommended for fast, isocratic separation of lithium, sodium, ammonium, potassium, magnesium, and calcium using methanesulfonic or sulfuric acid eluents in diverse sample matrices.
The new CS12A-8μm and CS12A-5μm Capillary Columns offer the same selectivity as their analytical-scale counterparts, but offer the advantage of reduced eluent consumption, thereby lowering operating costs.
- Robust, reliable column for separation of group I and II cations plus ammonium
- Recommended for separation of manganese and morpholine
- Recommended for analyses of inorganic cations in complex matrices
- Simplified Reagent-Free IC operation provided by the EG or eluent regeneration
- Compatible with organic solvents (except alcohols), high temperatures, and high acid concentrations
- Analysis time for six common cations as short as 4 min (CS12A-5μm) to 15 min (CS12A-8μm)
- The CS12A-MS column offers fast elution at the low flow rates required for IC-MS, making it ideal for IC-MS screening
- For disparate concentration ratios of adjacent-eluting cations, the high-capacity IonPac CS16 is recommended
The medium-capacity IonPac CS12A cation-exchange column supports fast, isocratic separation with suppressed conductivity detection. Sample matrices include environmental and drinking waters; soil extracts; acid digests; power plant waters treated with ammonium or morpholine; chemical additives; chemical process solutions; scrubber solutions; plating baths; and industrial solvents.
Use the CS12A-5μm columns for high efficiency and fast analysis (4 min). The smaller-diameter resin technology and reduced column length provide faster analysis time, reduced eluent consumption, and increased sensitivity. The CS12A column is the recommended replacement for all CS12 applications. Use the CS12A column with the Eluent Generator for simplified methanesulfonic acid eluent preparation.
| IonPac CS12A Cation-Exchange Column Specifications | |
|---|---|
| Dimensions | IonPac CS12A Analytical Column: 2 × 250 mm, 3 × 150 mm, and 4 × 250 mm IonPac CG12A Guard Column: 2 × 50 mm, 3 × 30 mm, and 4 × 50 mm IonPac CS12A Capillary Column: 0.4 × 250 mm and 0.4 × 150 mm IonPac CG12A Capillary Guard Column: 0.4 × 50 mm |
| Maximum operating pressure | 4000 psi (standard and microbore) 5000 psi (capillary) |
| phase compatibility | Acidic eluents; 0–100% acetonitrile. Alcohols should be avoided. |
| Substrate characteristics | Bead Diameter: 8 μm (0.4 x 250, 2 x 100, 2 x 250 and 4 x 250 mm), 5 μm (0.4 x 150 and 3 x 150 mm) Cross-Linking (%DVB): 55% |
| Functional group characteristics | Ion-Exchange Groups: Grafted carboxylic acid and phosphonic acid Surface Characteristics: Medium hydrophilic |
| Capacity | 28 μeq (0.4 × 250 mm capillary column) 9.4 μeq (0.4 × 150 mm capillary column) 280 μeq (2 × 100 mm analytical column) 700 μeq (2 × 250 mm analytical column) 940 μeq (3 × 150 mm analytical column) 2800 μeq (4 × 250 mm analytical column) |
| Column construction | PEEK with 10-32 threaded ferrule-style end fittings. All components are nonmetallic. |
| Analytical Columns | |
|---|---|
| IonPac CS12A Analytical Column (4 x 250 mm) | 046073 |
| IonPac CS12A Analytical Column (2 x 250 mm) | 046075 |
| IonPac CS12A-5 μm Analytical Column (3 x 150 mm) | 057185 |
| IonPac CS12A-MS (2 x 100 mm) Column | 059960 |
| IonPac CS12A-8μm Capillary Column (0.4 x 250 mm) | 079914 |
| IonPac CS12A-5μm Capillary Column (0.4 x 150 mm) | 072068 |
| Guard Columns | |
|---|---|
| IonPac CG12A-5 μm Guard Column (3 x 30 mm) | 057184 |
| IonPac CG12A Guard Column (2 x 50 mm) | 046076 |
| IonPac CG12A Guard Column (4 x 50 mm) | 046074 |
| IonPac CG12A-8μm Capillary Guard Column (0.4 x 50 mm) | 072067 |
| IonPac CG12A-5μm Capillary Guard Column (0.4 x 50 mm) | 072069 |
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