DionexIonPacAS7Column陰離子交換填充柱
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Dionex IonPac AS7 Column 陰離子交換填充柱簡要描述：戴安公司生產(chǎn)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(shù)優(yōu)勢和方法已廣泛地應(yīng)用于各個領(lǐng)域，其市場占有率達80%。與離子色譜相關(guān)的文章有90%均出自戴安公司生產(chǎn)的離子色譜儀。 戴安公司的快速溶劑萃取儀15分鐘之內(nèi)僅用15毫升溶劑既可完成對10g樣品的萃取，該技術(shù)已在環(huán)境、藥物、食品和聚合物工業(yè)等領(lǐng)域得到廣泛應(yīng)用。
| 型號 | 美國戴安 P/N: 035394 |
|---|---|
The IonPacAS7 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 matricesDetermines cyanide and sulfide using amperometric detectionUseful for hexavalent chromium in environmental matricesThe 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 | PEEKwith internal style 10-32 threaded ferrule-style end fittings.All components are nonmetallic. |
| Substrate characteristics | Particle Diameter: 10 mCross-Linking (%DVB): 2% |
| Latex characteristics | Functional Group: Alkyl quaternary ammoniumLatex Cross-Linking: 5%Latex Diameter: 530 nmCapacity (eq/column): 100 eq (4 x 250 mm) and 25 eq (2 x 250 mm) Hydrophobicity: Medium-high |
| Analytical column dimensions | IonPacAS7 Column: 4x250 and 2 x 250 mm |
| Guard column dimensions | IonPac AG7 Column: 4x50 and 2 x 50mm |
| 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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