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SampliQ Amino

SampliQ Amino (NH 2 ) SPE products are based on irregular, silica gel (silica) particles. This dual purpose sorbent can act either as a polar phase or weak anion exchanger. When conditioned with a non-polar solvent, e.g., hexane, it can hydrogen bond with any molecule containing -OH, -NH, or -SH functional groups. In an aqueous environment with pH 7.8 or less, it can function as a weak anion exchanger.

Figure: Structure of aminopropyl (NH 2 ) silane, covalently bonded to the surface of a silica particle

        
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