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: 055377 |
|---|---|
| 厂商性质 | 代理商 |
| 更新日期 | 2018-04-17 |
The Thermo Scientific? Dionex? IonPac? AS16 column is ideally suited for trace perchlorate in drinking water in accordance with US EPA Methods 314.0 and 314.1 (Primary Method). The Dionex IonPac AS16 column simplifies the determination of polarizable anions, including thiosulfate, iodide, thiocyanate, and perchlorate using an isocratic hydroxide eluent.
The Dionex IonPac AS16 is a high-capacity, hydroxide-selective column for the determination of polarizable anions in a variety of sample matrices. Trace concentrations of perchlorate in drinking water, surface water, and ground water matrices can easily be determined using a large-loop injection. The Dionex IonPac AS16 column is available in three formats: standard bore (4 × 250 mm), microbore (2 × 250 mm) and capillary (0.4 × 250 mm). The capillary format is packed with the same material as the equivalent standard bore and microbore versions (providing the same performance as a 4 mm and 2 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. The Dionex IonPac AS16 capillary column is used in the second dimension of the 2D-IC method for the analysis of trace perchlorate (sub ppb) in drinking water.
Note: Also see the Dionex IonPac AS20, with complementary selectivity for confirmation of perchlorate identification when using EPA Method 314.1
| Dionex IonPac AS16 Anion-Exchange Column Specifications | |
|---|---|
| Dimensions | Dionex IonPac AS16 Analytical Column: |
| Maximum operating pressure | 4000 psi |
| phase compatibility | pH 0–14; 0–100% HPLC solvents |
| Substrate characteristics | Bead Diameter: 9 ?m Pore Size: 2000 ? super macroporous resin Cross-Linking (%DVB): 55% |
| Latex characteristics | Functional Group: Alkanol quaternary ammonium ion Latex Cross-Linking: 1% Latex Diameter: 80 nm Hydrophobicity: Ultralow |
| Capacity | 42.5 ?eq (2 × 250 mm analytical column) 0.875 ?eq* (2 × 50 mm guard column) 170 ?eq (4 × 250 mm analytical column) 3.5 ?eq* (4 × 50 mm guard column) 1.7 ?eq (0.4 × 250 mm capillary column) 0.035 ?eq (0.4 × 50 mm capillary 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. |
| Analytical Columns | |
|---|---|
| IonPac AS16 Analytical Column (4 x 250 mm) | 055376 |
| IonPac AS16 Analytical Column (2 x 250 mm) | 055378 |
| Dionex IonPac AS16 Capillary Column (0.4 x 250 mm) | 082315 |
| Guard Columns | |
|---|---|
| IonPac AG16 Guard Column (4 x 50 mm) | 055377 |
| IonPac AG16 Guard Column (2 x 50 mm) | 055379 |
| Dionex IonPac AG16 Capillary Guard Column (0.4 × 50 mm) | 082316 |
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