Dionex IonPac CS5A Column 离子色谱柱简要描述：
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IonPac CS5A Transition Metal ColumnHigh-Resolution, Ion-Exchange Column for Transition and Lanthanide Metals in Diverse Sample Matrices
The IonPac?CS5A is a high-resolution, ion-exchange column designed for determination of transition and lanthanide metals in a variety of sample matrices. The CS5A column, in combination with postcolumn derivitization and visible detection at 530 nm, provides a sensitive and selective method for transition metal analysis.
Recommended for the separation of transition and lanthanide metalsAlso useful for aluminum analysis
The CS5A column provides simultaneous determination of common transition metals in less than 11 min using a unique bifunctional resin. The transition metals are detected following complexation with 4-(2-pyridylazo) resorcinol (PAR). The PAR derivative is detected at 520–530 nm. This method is both sensitive and selective for transition metals.
The CS5A provides improved selectivity and higher efficiencies than its predecessor, the CS5 column. Use the MetPac PDCA and Oxalic Acid Eluent Concentrates and PAR Postcolumn Reagent Diluent for simplified operation.
| IonPac CS5A Cation-Exchange Column Specifications |
|---|
| Dimensions | IonPac CS5A Analytical Column:4×250 mm and 2 × 250 mm IonPac CG5A Guard Column:4 × 50 mm and 2 × 50 mm |
| Maximum operating pressure | 2500 psi (17.3 MPa) |
| phase compatibility | Typical HPLC solvents to 50% |
| Substrate characteristics | Bead Diameter: 9 ?mBead Type: MicroBead?latex, bilayer of anion-exchange and cation-exchangeCross-Linking (%DVB): 55% |
| Anion exchange | Latex Diameter: 76 nmLatex Cross-Linking: 2%Capacity: 40 ?eq/column (4×250 mm); 10 ?eq/column (2×250 mm)Ion-Exchange Group: Quaternary ammonium |
| Cation exchange | Latex Diameter: 140 nmLatex Cross-Linking: 10%Capacity: 20 ?eq/column (4×250 mm); 5 ?eq/column (2×250 mm)Ion-Exchange Group: Sulfonic acid |
| Column construction | PEEK?with 10-32 threaded ferrule-style end fittings.All components are nonmetallic. |
| Analytical Columns |
|---|
| IonPac CS5A Analytical Column (4 x 250 mm) | 046100 |
| IonPac CS5A Analytical Column (2 x 250 mm) | 052576 |
| Guard Columns |
|---|
| IonPac CG5A Guard Column (4 x 50 mm) | 046104 |
| IonPac CG5A Guard Column (2 x 50 mm) | 052836 |
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