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信息学

正相SPE填料的选择方法与应用优势

固相萃取(Solid Phase Extraction,简称SPE)是通过固体吸附剂的选择性吸附和洗脱,将液体样品中的目标化合物与干扰化合物分离,以达到富集、分离、净化样品的目的。吸附剂的类型可分为正相,反相,离子交换和混合模式等类型。其中正相填料在食品,环境,化工等领域均有广泛的应用。本讲座将介绍正相填料的作用原理和特点等内容。

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