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Thermo Scientific™

Dionex™ IonPac™ AS21 IC Columns

 Related applications:
Industrial Chromatography
When you need to quickly separate perchlorate in drinking water prior to detection with MS/MS, the Thermo Scientific™ Dionex IonPac AS21 hydroxide-selective anion-exchange column is column of choice. This column is specifically listed in U.S. EPA Method 331.0. The column's capacity and selectivity enable fast analysis of perchlorate at low µg/L concentrations. In addition, the 2x250 mm column format was designed and optimized for LC-MS or LC-MS/MS compatibility to facilitate use of volatile mobile phases such as methylamine.

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Description

Superior Chromatographic Performance
  • Fast separation of perchlorate prior to MS/MS detection
  • Ideal for the separation of a variety of environmental anions including arsenate, tungstate, chromate, and iodide
  • Optimized for methylamine or hydroxide mobile phases
  • Optimum capacity: 45µeq per column (2x250 mm format)
  • Operates at ambient or elevated temperatures; column selectivity is optimized for 30°C operating temperature to ensure reproducible retention times
  • Compatible with organic solvents
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.


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