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1·Products of the reaction mixtures were analyzed by ion pair reversed phase HPLC with SDS as the ion pairing reagent.

用SDS作对离子试剂，采用离子对反相高效液相色谱方法对反应产物进行分析。

2·This contradicts numerous theoretical studies which indicated a primarily tetrahedral coordination structure with a solvation number near 2 or 3, depending on the prevalence of ion pairing.

这与大量的理论研究——一个主要的四面体配位结构是2或3左右，取决于离子对的流动率的溶剂化数是相悖的。

3·The removal of arsenite and arsenate from solid herb sample by ion-pairing supercritical CO2 extraction was explored.

提出了一种超临界CO2离子缔合萃取去除固体中砷的新方法。