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:
Column Details:
Manufacturer Thermo Fisher Scientific
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