DionexIonPacAS7Column阴离子交换填充柱

2023-09-13

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Dionex IonPac AS7 Column 阴离子交换填充柱简要描述:

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型号美国戴安 P/N: 035394

Thermo Scientific DionexIonPac AS7 Specialty Anion-Exchange ColumnFor Separation of a Wide Range of Polyvalent Anions

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 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 pressure4000 psi (26 MPa)
phase compatibilitypH 0–14
Column constructionPEEKwith internal style 10-32 threaded ferrule-style end fittings.All components are nonmetallic.
Substrate characteristicsParticle Diameter: 10 mCross-Linking (%DVB): 2%
Latex characteristicsFunctional 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 dimensionsIonPacAS7 Column: 4x250 and 2 x 250 mm
Guard column dimensionsIonPac 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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