Inertsil AX Analytical Columns manufactured by GL Sciences Inc. have diethylamino groups bonded to silica gel by an alkyl chain. The diethylamino groups offer anionic functions required for anion exchange chromatography. It is mainly used for analyses of acidic compounds. Inertsil AX is manufactured under strict qualitycontrol to deliver superior lot-to-lot reproducibility. The retentivity of Inertsil AX can be adjusted by the buffer concentration in eluent.