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To understand the effects of environmental factors that influence the \u03c0\u2010complexation of these metal ions with analytes, techniques that employ small volumes of ionic liquid that can be readily analyzed are desired. In this study, headspace single drop microextraction coupled with HPLC\u00a0is used to investigate a diverse set of environmental factors on the metal ion\u2010mediated complexation with aromatic compounds in ionic liquid media. Silver(I) and copper(I) bis[(trifluoromethyl)sulfonyl]imide salts were both studied by dissolving them in the 1\u2010decyl\u20103\u2010methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ionic liquid and employing the mixture as extraction media for aromatic compounds. Water and acetonitrile within the sample solution were observed to interfere with the complexation of silver(I) ions and aromatic compounds, while ethylene glycol and triethylene glycol did not. The temperature and extraction times were optimized to fully facilitate the \u03c0\u2010complexation capabilities of metal ions in ionic liquid media. Partition coefficients between the sample headspace and metal ion were determined using a three\u2010phase equilibria model. Although no discernable difference in analyte partitioning between the headspace and ionic liquid solvent was observed, analyte partition coefficients to silver(I) ion tended to be greater compared to copper(I) ion.<\/jats:p>","DOI":"10.1002\/jssc.202300649","type":"journal-article","created":{"date-parts":[[2023,10,11]],"date-time":"2023-10-11T21:28:21Z","timestamp":1697059701000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Comparing \u03c0\u2010complexation capabilities of ionic liquids containing silver(I) and copper(I) ions by headspace single drop microextraction in combination with high\u2010performance liquid chromatography"],"prefix":"10.1002","volume":"46","author":[{"given":"Philip","family":"Eor","sequence":"first","affiliation":[{"name":"Ames National Laboratory\u2014USDOE  Ames Iowa USA"},{"name":"Department of Chemistry Iowa State University  Ames Iowa 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