戴安公司生產的儀器主要有離子色譜儀、高效液相色譜儀、快速溶劑萃取儀和氨基酸直接分析儀。其中離子色譜儀憑借著雄厚的技術優勢和方法已廣泛地應用于各個領域，其*達80%。與離子色譜相關的文章有90%均出自戴安公司生產的離子色譜儀。
| 型號 | 美國戴安 P/N: 064151 |
|---|---|
| 廠商性質 | 代理商 |
| 更新日期 | 2018-05-10 |
The Thermo Scientific Dionex IonPac? AS24 is a high-capacity hydroxide-selective anion-exchange column optimized for the separation of haloacetic acids (HAAs) as well as a variety of environmental anions. The capacity and selectivity enables analysis of haloacetic acids in drinking water at low-μg/L concentrations. The Dionex IonPac AS24 2 × 250 mm column is specifically designed for separation of haloacetic acids in drinking water prior to MS or MS/MS detection and is the specified column in US EPA Method 557.
| Thermo Scientific Dionex IonPac? AS24 Anion-Exchange Column Specifications | |
|---|---|
| Substrate Characteristics: | Bead Diameter and Pore Size: 7 ?m (2 × 250 mm); super macroporous resin (2000 ?) 11 ?m (2 × 50 mm); microporous resin (<10 ?) Crosslinking (%DVB): 55% |
| Ion Exchange Group: | Functional Group: Alkanol quaternary ammonium ion |
| Functional Group Characteristics: | Ultralow hydrophobicity |
| Capacity: | 140 ?eq (2 × 250 mm analytical column) 1.5 ?eq* (2 × 50 mm guard column) *Guard is 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 AS24 Analytical Column: 2 × 250 mm Dionex IonPac AG24 Guard Column: 2 × 50 mm |
| Maximum Operating Pressure: | 3000 psi |
| Phase Compatibility: | pH 0–14; 0–100% HPLC solvents |
| Analytical Columns | |
|---|---|
| IonPac AS24 Analytical Column (2 x 250 mm) | 064153 |
| Guard Columns | |
|---|---|
| IonPac AG24 Guard Column (2 x 50 mm) | 064151 |
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