IonPac® AS21 Hydroxide-Selective Anion-Exchange Column

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For Fast Analysis of Trace Perchlorate in Drinking Water Prior to Detection with MS/MS.

The AS21 hydroxide-selective anion-exchange column is specifically designed for determination of trace perchlorate in drinking water prior to MS/MS detection. The capacity and selectivity enable fast analysis of perchlorate at low μg/L concentrations. The AS21 is the specified column in US EPA Method 331.0.

IonPac® AS21 Hydroxide-Selective Anion-Exchange Column Features:

  • Fast separation of perchlorate prior to MS/MS detection
  • Optimized for methylamine or hydroxide mobile phases
  • Specified column for US EPA Method 331.0
  • Optimum capacity: 45 μeq per column (2 × 250 mm)
  • Operates at ambient or elevated temperatures
  • Compatible with organic solvents

Column Details:

  • Bead Size: 7 µm
  • Pore Size: 2000 Å
  • Length: 250 mm
  • ID: 2.0 mm

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IonPac® AS21 Hydroxide-Selective Anion-Exchange Column

Manufacturer Thermo Fisher Scientific

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