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。 戴安公司的快速溶劑萃取儀15分鐘之內僅用15毫升溶劑既可完成對10g樣品的萃取，該技術已在環境、藥物、食品和聚合物工業等領域得到廣泛應用。
| 型號 | 美國戴安 P/N: 078115 |
|---|---|
| 廠商性質 | 代理商 |
| 更新日期 | 2018-04-21 |
The Thermo Scientific? Dionex? IonPac? AS24A 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 AS24A 4 × 250 mm column is specifically designed for the first dimension separation of haloacetic acids in drinking water prior to the second dimension separation using the Dionex IonPac AS26 capillary column, followed by suppressed conductivity detection. The Dionex IonPac AS24A column is ideal for the development of specialized applications, including 2D-IC, providing excellent separation of environmental anions including inorganic anions, oxyhalides, oxyanions, and organic acids. The high capacity of the Dionex IonPac AS24A column allows injection of complex matrices without overloading the column while maintaining excellent peak shapes for lower concentration analytes. The Dionex IonPac AS24A capillary column offers users excellent retention time reproducibility and in addition, increased mass sensitivity and eluent conservation.
| Dionex IonPac? AS24A Anion Exchange Column Specifications | |
|---|---|
| Substrate Characteristics: | Bead Diameter and Pore Size: 7 ?m (4 × 250, 2 × 250 and 0.4 × 250 mm); super macroporous resin (2000 ?) 11 ?m (4 × 50, 2 × 50, and 0.4 × 50 mm); microporous resin (<10 ?) Crosslinking (%DVB): 55% |
| Ion Exchange Group: | Functional Group: Alkanol quaternary ammonium ion |
| Functional Group Characteristics: | Ultralow Hydrophobicity |
| Capacity: | 560 ?eq (4 × 250 mm analytical column) 6 ?eq* (4 × 50 mm guard column) 140 ?eq (2 × 250 mm analytical column) 1.5 ?eq* (2 × 50 mm guard column) 5.6 ?eq (0.4 × 250 mm capillary column) 0.06 ?eq* (0.4 × 50 mm capillary 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 AS24A Analytical Column: 4 × 250 mm, 2 × 250 mm Dionex IonPac AG24A Guard Column: 4 × 50 mm, 2 × 50 mm Dionex IonPac AS24A Capillary Column: 0.4 × 250 mm, Dionex IonPac AG24A Capillary Guard Column: 0.4 × 50 mm |
| Maximum Operating Pressure: | 3000 psi |
| Phase Compatibility: | pH 0–14; 0–100% HPLC solvents |
| Analytical Columns | |
|---|---|
| Dionex IonPac AS24A Analytical Column (4 × 250 mm) | 076010 |
| Dionex IonPac AS24A Analytical Column (2 × 250 mm) | 078112 |
| Dionex IonPac AS24A Capillary Column (0.4 × 250 mm) | 082536 |
| Guard Columns | |
|---|---|
| Dionex IonPac AG24A Guard Column (4 × 250 mm) | 076011 |
| Dionex IonPac AG24A Guard Column (2 × 50 mm) | 082535 |
| Dionex IonPac AG24A Capillary Guard Column (0.4 × 50 mm) | 078115 |
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