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Dionex IonPac AS7 Column 阴离子交换填充柱
- 品牌:美国戴安
- 型号: 美国戴安 P/N: 035393
- 产地:美洲 美国
- 供应商报价:面议
- 上海希言科学仪器有限公司 更新时间:2024-10-09 09:12:44
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详细介绍
Thermo Scientific Dionex
IonPac AS7 Specialty Anion-Exchange Column
For Separation of a Wide Range of Polyvalent Anions
The IonPac? AS7 separates a wide variety of polyvalent anions, including polyphosphates, polyphosphonates, and other polyvalent complexing agents such as EDTA and NTA using acidic eluent (eliminating metal interferences) with postcolumn derivatization and UV-Vis detection.
- For polyvalent anions and chelating agents in complex sample matrices
- Determines cyanide and sulfide using amperometric detection
- Useful for hexavalent chromium in environmental matrices
The AS7 column has a unique polymer packing that provides superior performance for separating ionic and polar compounds. The patented packing offers high speed, high efficiency, and high loading capacity at moderate backpressures.
Note: The newer IonPac AS16 or AS20 column is recommended for polyphosphates.
IonPac AS7 Anion-Exchange Column Specifications Maximum operating pressure 4000 psi (26 MPa) phase compatibility pH 0–14 Column construction PEEK? with internal style 10-32 threaded ferrule-style end fittings.
All components are nonmetallic.Substrate characteristics Particle Diameter: 10 μm
Cross-Linking (%DVB): 2%Latex characteristics Functional Group: Alkyl quaternary ammonium
Latex Cross-Linking: 5%
Latex Diameter: 530 nm
Capacity (μeq/column): 100 μeq (4 x 250 mm) and 25 μeq (2 x 250 mm) Hydrophobicity: Medium-highAnalytical column dimensions IonPac? AS7 Column: 4 x 250 and 2 x 250 mm Guard column dimensions IonPac AG7 Column: 4 x 50 and 2 x 50 mm Analytical Columns IonPac AS7 Analytical Column (4 x 250 mm) 035393 IonPac AS7 Analytical Column (2 x 250 mm) 063097 Guard Columns IonPac AG7 Guard Column (4 x 50 mm) 035394 IonPac AG7 Guard Column (2 x 50 mm) 063099
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