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产品简介
戴安公司的快速溶剂萃取仪15分钟之内仅用15毫升溶剂既可完成对10g样品的萃取，该技术已在环境、药物、食品和聚合物工业等领域得到广泛应用。
产品介绍
Thermo Scientific Dionex IonPac AS23 Carbonate Eluent Anion-Exchange Column
Precise, Isocratic Analysis of Trace Oxyhalides and the Common Inorganic Anions
The Thermo Scientific? Dionex? IonPac? AS23 carbonate eluent anion-exchange column is specifically designed for trace bromate in drinking water. Its high-capacity and selectivity enables determination of bromate in drinking water at the low μg/L level. The Dionex IonPac AS23 column meets the performance requirements of U.S EPA Methods 300.0 and 300.1. The Dionex IonPac AS23 column is offered in three formats: standard bore (4 × 250 mm), microbore (2 × 250 mm) and capillary (0.4 × 250 mm). The capillary formats is packed with the same material as the equivalent standard bore version (providing the same performance as a 4 mm column), but requires only 1/100th the eluent flow rate. The capillary format provides the advantage of significantly reduced eluent consumption, which helps reduce operating costs.
- Optimized for isocratic carbonate/bicarbonate eluent
- Recommended column for trace bromate in drinking water matrices
- Meets performance requirements specified in U.S. EPA Methods 300.0 and 300.1
- Ideal alternative for the Thermo Scientific Dionex IonPac AS9-HC oxyhalide and inorganic anion applications
- Simple, accurate eluent preparation with the Dionex IonPac AS23 Eluent Concentrate
- Optimized for a 30 °C operating temperature to ensure reproducible retention times
- Compatible with organic solvents to enhance analyte solubility
The Dionex IonPac AS23 column is designed for the analysis of oxyhalides and the common inorganic anions including fluoride, chlorite, bromate, chloride, nitrite, bromide, chlorate, nitrate, phosphate, and sulfate in drinking water, ground water, wastewater, and other diverse sample matrices.
The Dionex IonPac AS23 column is the newest carbonate eluent column recommended for the analysis of oxyhalides including bromate. It can be used in combination with the Eluent Generator and the Electrolytic pH Modifier (EPM) which automatically produces potassium carbonate/bicarbonate eluents from water. The Dionex IonPac AS23 column is an ideal alternative, using carbonate-bicarbonate eluents, for Dionex IonPac AS9-HC applications.
| Dionex IonPac AS23 Anion-Exchange Column Specifications | |
|---|---|
| Ion-Exchange Group: | Functional Group: Alkanol quaternary ammonium ion |
| Functional Group Characteristics: | Ultralow hydrophobicity |
| Capacity: | 3.2 μeq (0.4 × 250 mm capillary column) 80 μeq (2 × 250 mm analytical column) 320 μeq (4 × 250 mm analytical column) 0.06 μeq* (0.4 × 50 mm Capillary guard column) 1.5 μeq* (2 × 50 mm guard column) 6 μeq* (4 × 50 mm guard column) *Guards are packed with a low-capacity microporous resin. |
| Column Construction: | PEEK with 10-32 threaded ferrule style end fittings. All components are nonmetallic. |
| Dimensions: | Dionex IonPac AS23 Analytical Column: 2 × 250 mm and 4 × 250 mm Dionex IonPac AS23 Capillary Column: 0.4 × 250 mm Dionex IonPac AG23 Guard Column: 2 × 50 mm and 4 × 50 mm Dionex IonPac AG23 Capillary Guard Column: 0.4 × 50 mm) |
| Maximum Operating Pressure: | 3000 psi |
| Phase Compatibility: | pH 0–14; 0–100% HPLC solvents |
| Substrate Characteristics: | Bead Diameter and Pore Size: 6.0 μm (0.4 × 250, 2 × 250 and 4 × 250 mm); super macroporous resin (2000 ?) 11 μm (0.4 × 50, 2 × 50 and 4 × 50 mm); microporous resin (<1 ?) Cross-linking (%DVB): 55% |
| Analytical Columns | |
|---|---|
| IonPac AS23 Analytical Column (2 x 250 mm) | 064145 |
| IonPac AS23 Analytical Column (4 x 250 mm) | 064149 |
| Dionex IonPac AS23 Capillary Column (0.4 × 250 mm) | 079782 |
| Guard Columns | |
|---|---|
| IonPac AG23 Guard Column (2 x 50 mm) | 064143 |
| IonPac AG23 Guard Column (4 x 50 mm) | 064147 |
| Dionex IonPac AG23 Capillary Guard Column (0.4 × 50 mm) | 083160 |
| Anion Eluent Concentrates | |
|---|---|
| AS23 Eluent Concentrate (100x), 250 mL | 064161 |
