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Thermo Scientific IonPac Guard Column AG7 4x50mm
Supplier: Thermo Scientific 035394

An ion exchange guard column for ion chromatography with 4mm diameter and 50mm length containing inert polyvinyl polymer functionalized with quaternary ammonium groups to protect the analytical column from contamination and degradation by adsorbing anionic contaminants and strongly retained sample components, improving analytical column lifespan and performance when used inline before the column.
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