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Dionex IonPac AS16 阴离子交换柱 082315
利用 Thermo Scientific? Dionex? IonPac? AS16 毛细管分析和?；ぶ焖僮既返夭舛ǘ嘀炙手械暮哿扛呗人嵫魏推渌准囊趵胱?nbsp;。 该款色谱柱简化了使用等度氢氧化物淋洗液对易极化阴离子的测定，包括硫代硫酸盐、碘化物、硫氰酸盐和高氯酸盐。 特别适用于依照美国 EPA 方法 314.0 和 314.1（主要方法）对饮用水中的痕量高氯酸盐进行测定。
描述
设计用于实现简单、高灵敏度分析
使用大定量环进样，轻松测定饮用水、地表水和地下水基质中痕量高氯酸盐浓度
在 20 分钟内分离疏水阴离子（碘化物、硫氰酸盐和硫代硫酸盐）
特别适合多价阴离子，包括多聚磷酸盐和多聚羧酸盐
超低疏水性可实现对易极化阴离子的快速分析
可用于 2D-IC 方法中的二维分离，用于分析饮用水中的痕量高氯酸盐（亚 ppb 级）
提供多种规格
标准孔 (4x250mm)、微孔(2x250mm) 和毛细管 (0.4x250mm) 规格
毛细管柱使用与标准孔和微孔版本相同的填料（提供与 4 mm 和 2 mm 柱相同的性能），但仅使用 1% 的洗脱液流速，帮助降低运行成本。
Dionex IonPac AS16 阴离子交换柱 082315
订货信息：
Dionex IonPac AS16 阴离子交换柱
| 分析柱 | |
| 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 |
| ?；ぶ?/span> | |
| 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 |
High-Capacity Column Optimized for Determination of Polarizable Anions
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.
Separate hydrophobic anions (iodide, thiocyanate, and thiosulfate) in less than 20 min
Can be used for trace perchlorate in drinking water matrices
Ideal for polyvalent anions, including polyphosphates and polycarboxylates
Ultralow hydrophobicity allows fast analysis of polarizable anions
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 |
| Mobile phase compatibility | pH 0–14; 0–100% HPLC solvents |
| Substrate characteristics | Bead Diameter: 9 μm 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 μeq (2 × 250 mm analytical column) 0.875 μeq* (2 × 50 mm guard column) 170 μeq (4 × 250 mm analytical column) 3.5 μeq* (4 × 50 mm guard column) 1.7 μeq (0.4 × 250 mm capillary column) 0.035 μeq (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. |
