美國(guó)戴安 P/N: 062885 062885賽默飛戴安AS19陰離子分析柱 4X250MM
- 公司名稱(chēng) 上海希言科學(xué)儀器有限公司
- 品牌 DIONEX/英國(guó)
- 型號(hào) 美國(guó)戴安 P/N: 062885
- 產(chǎn)地
- 廠(chǎng)商性質(zhì) 代理商
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IonPac AS19 Hydroxide-Selective Anion-Exchange Column
For Determination of Oxyhalides and Inorganic Anions
The IonPac? AS19 hydroxide-selective anion-exchange column is specifically designed for trace bromate in drinking water. Its high capacity and selectivity allow the determination of bromate in drinking water at the low-μg/L level. The IonPac AS19 columns meets the performance requirements of US EPA Methods 300.0 and 300.1.
The new IonPac AS19 Capillary Column 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.
Recommended hydroxide-selective column for trace bromate in drinking water matrices
High capacity: 240 μeq per column (4 × 250 mm)
Meets or exceeds performance requirements of US EPA Methods 300.0 and 300.1
Column selectivity is optimized for 30 °C operating temperature
Compatible with organic solvents
Low background signal and enhanced analyte sensitivity with the ASRS? 300 and an RFIC system
The IonPac AS19 is designed for the analysis of oxyhalides and common inorganic anions including fluoride, chlorite, bromate, chloride, nitrite, bromide, chlorate, nitrate, phosphate, and sulfate in drinking water, groundwater, wastewater, and other diverse sample matrices. The IonPac AS19 allows analysis of most drinking water without the use of sample pretreatment or preconcentration. This column is ideally used with an RFIC system for automatic eluent generation.
The key application for the IonPac AS19 is the determination of trace bromate in drinking water matrices using a potassium hydroxide gradient with suppressed conductivity detection. The selectivity of the AS19 ensures that bromate can be quantified at low μg/L concentrations using suppressed conductivity detection even in the presence of very high concentrations of chloride, sulfate, and carbonate.
Note: Use the Anion Self-Regenerating Suppressor (ASRS 300) with the IonPac AS19 column for eluent suppression.
062885賽默飛戴安AS19陰離子分析柱 4X250MM
062885賽默飛戴安AS19陰離子分析柱 4X250MM
| IonPac AS19 Anion-Exchange Column Specifications | |
|---|---|
| Dimensions | IonPac AS19 Analytical Column: 2 × 250 mm and 4 × 250 mm IonPac AG19 Guard Column: 2 × 50 mm and 4 × 50 mm IonPac AS19 Capillary Column: 0.4 × 250 mm IonPac AG19 Capillary Guard Column: 0.4 × 50 mm |
| Maximum operating pressure | 4000 psi (standard and microbore) 5000 psi (capillary) |
| Ion-exchange group | Functional Group: Alkanol quaternary ammonium ion |
| Functional group characteristics | Ultralow hydrophobicity |
| Capacity | 2.4 ?eq (0.4 × 250 mm capillary column) 0.06 ?eq* (0.4 × 50 mm capillary guard column) 60 ?eq (2 × 250 mm analytical column) 1.5 ?eq* (2 × 50 mm guard column) 240 ?eq (4 × 250 mm analytical column) 6 ?eq* (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. |
| Substrate characteristics | Bead Diameter and Pore Size: 7.5 ?m (0.4 x 250, 2 × 250 and 4 × 250 mm); super macroporous resin (2000 ?) 12 ?m (0.4 x 50, 2 × 50 and 4 × 50 mm); microporous resin (<1 ?) Cross-Linking (%DVB): 55% |
| phase compatibility | pH 0–14; 0–100% HPLC solvents |
| Analytical Columns | |
|---|---|
| IonPac AS19 Analytical Column (4 x 250 mm) | 062885 |
| IonPac AS19 Analytical Column (2 x 250 mm) | 062886 |
| IonPac AS19 Capillary Column (0.4 x 250 mm) | 072064 |
| Guard Columns | |
|---|---|
| IonPac AG19 Guard Column (4 x 50 mm) | 062887 |
| IonPac AG19 Guard Column (2 x 50 mm) | 062888 |
| IonPac AG19 Capillary Guard Column (0.4 x 50 mm) | 072065 |
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