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Thermo Scientific™
Dionex™ IonPac™ AS4A Analytical & Guard Anion-Exchange Columns
Order newer Thermo Scientific™ Dionex™ IonPac™ AS22 column as substitute. This column is available only in limited quantities for customers with established validated methods.
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| Catalog Number | Length (Metric) | Column Type |
|---|---|---|
| 037041 | 250 mm | Standard Bore Separator |
| 037042 | 50 mm | Guard Column |
Catalog number 037041
Price (CNY)
33,105.68
飞享价
Ends: 31-Dec-2025
47,293.82Save 14,188.14 (30%)
Each 1
Length (Metric):
250 mm
Column Type:
Standard Bore Separator
Price (CNY)
33,105.68
飞享价
Ends: 31-Dec-2025
47,293.82Save 14,188.14 (30%)
Each 1
Use the newer Thermo Scientific™ Dionex™ IonPac™ AS22 columns as substitutes for Dionex IonPac AS4A Analytical & Guard Cation-Exchange Columns. Dionex IonPac AS4A columns are now only available in limited quantities for customers who have established validated methods using this column. The Dionex IonPac AS22 column provides fast separation of common inorganic anions in a variety of sample matrices including drinking water, wastewater, process streams, and scrubber solutions using a simple isocratic carbonate/bicarbonate eluent.
- Format: 4 × 250mm
- Composed of 15 micron polystyrene/divinylbenzene substrate agglomerated with anion exchange latex that has been completely aminated
- 0.5% cross-linked latex particles have a diameter of approximately 0.180mm and carry the ion exchange sites
- Ion exchange capacity is 20μeq/column
- Stable between pH 0-14
Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.
Specifications
Column Capacity20 μeq
Column ChemistryCarbonate/Bicarbonate/Borate
Crosslinking4% DVB
DescriptionAS4 A; 4 x 250 mm
Flow Rate3 mL/min.
For Use With (Application)Anion Exchange
For Use With (Equipment)Ion Chromatography Systems
Green FeaturesResponsibly packaged
HydrophobicityMedium-Low
Ion Exchange GroupAlkyl Quaternary Ammonium
Max. Pressure<1300 psi (90 bar)
Packing MaterialPolystyrene/Divinylbenzene
Particle Size15 μm
QuantityEach 1
Solvent CompatibilitypH 0 to 14, 0 to 5% HPLC Solvents
Solvents0 to 5% of HPLC Solvents
Stationary PhaseIonPac AS4A
Column TypeStandard Bore Separator
Diameter (Metric)4 mm
FormatStandard Bore
Length (Metric)250 mm
pH0 to 14
Unit SizeEach 1