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Category: Chromatography - Ion | Subcategory: Ion Chromatography
Dionex IonPac CG12A Guard Column 4 X 50mm Image

Dionex IonPac CG12A Guard Column 4 X 50mm

ITEM: 23288
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The Dionex IonPac® CG12A 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 medium-capacity IonPac CG12A 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..

  • 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
  • The CG12A-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 CG16 is recommended

Specifications

  • Dimensions: 4 × 50 mm
  • Maximum operating pressure: 4000 psi (standard and microbore) 5000 psi (capillary)
  • Mobile 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
  • Column construction: PEEK with 10-32 threaded ferrule-style end fittings.
  • All components are nonmetallic.

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