戴安公司生产的仪器主要有离子色谱仪、高效液相色谱仪、快速溶剂萃取仪和氨基酸直接分析仪。其中离子色谱仪凭借着雄厚的技术优势和方法已广泛地应用于各个领域，其*达80%。与离子色谱相关的文章有90%均出自戴安公司生产的离子色谱仪。 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。
| 型号 | 美国戴安 P/N: 056897 |
|---|---|
| 厂商性质 | 代理商 |
| 更新日期 | 2018-04-15 |
The IonPac? AS14A anion-exchange column is a carbonate-based column for fast analysis of the common inorganic anions in diverse sample matrices. The AS14A meets the performance requirements specified in US EPA Method 300.0 (A).
The AS14A is designed for the separation of inorganic anions, including fluoride, chloride, nitrite, bromide, nitrate, phosphate, and sulfate, using a carbonate/bicarbonate eluent coupled with suppressed conductivity detection. The inorganic anions can easily be determined in drinking water, wastewater, foods and beverages, scrubber solutions, and other diverse sample matrices.
For simplified operation use the AS14A with AS14A Eluent Concentrate and the Combined Seven Anion Standard. Use the ASRS 300 suppressor with the AS14A column for low-noise operation.
Note: See also the IonPac AS22, the newest carbonate eluent column recommended for fast analysis of inorganic anions.
| Dionex IonPac AS14A Anion-Exchange Column Specifications | |
|---|---|
| Dimensions | Dionex IonPac AS14A Analytical Column: 3 × 150 mm and 4 × 250 mm Dionex IonPac AG14A Guard Column: 3 × 30 mm and 4 × 50 mm |
| Maximum operating pressure | 27.6 MPa (4000 psi) |
| phase compatibility | pH 0–14; 0–100% HPLC solvents |
| Substrate characteristics | Bead Diameter: 7 μm (4 × 250 mm); 5 μm (3 × 150 mm) Pore Size: 100 ? Cross-Linking (%DVB): 55% |
| Functional group characteristics | Ion-Exchange Group: Surface-functionalized alkyl quaternary ammonium ion Hydrophobicity: Medium High |
| Capacity | 40 μeq (3 × 150 mm analytical column) 120 μeq (4 × 250 mm analytical column) |
| Column construction | PEEK with 10-32 threaded ferrule-style end fittings. All components are nonmetallic. |
| Analytical | |
|---|---|
| IonPac AS14A-5 μm Analytical Column (3 x 150 mm) | 056901 |
| IonPac AS14A-7 μm Analytical Column (4 x 250 mm) | 056904 |
| Guard Columns | |
|---|---|
| IonPac AG14A-7 μm Guard Column (4 x 50 mm) | 056897 |
| IonPac AG14A-5 μm Guard Column (3 x 30 mm) | 056899 |
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