Application of Ionic Liquids in Solid-Phase Extraction
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Recently Ionic liquids (ILs) have been widely studied due to their interesting structures and unusual properties. These non-molecular compounds exhibit melting points below 100 C, low to negligible vapor pressure at room temperature, high chemical stability and wide electrochemical windows. They also have been pointed out as green solvents because they do not generate volatile organic compounds and are hydrolytically stable. Their structures can be easily modified by changing the nature of their cation/s and/or anion/s, or by incorporating different functional groups to the cationic/anionic mo...
Recently Ionic liquids (ILs) have been widely studied due to their interesting structures and unusual properties. These non-molecular compounds exhibit melting points below 100 C, low to negligible vapor pressure at room temperature, high chemical stability and wide electrochemical windows. They also have been pointed out as green solvents because they do not generate volatile organic compounds and are hydrolytically stable. Their structures can be easily modified by changing the nature of their cation/s and/or anion/s, or by incorporating different functional groups to the cationic/anionic moieties. In spite of the evolution of analytical instrumentation, complex sample analysis or extraction is still a problem without a sample pretreatment so it concerned as the most important parts of the whole analysis process. The development of new materials as solid phase extraction adsorbent in sample preparation has been widely exploited to obtain more selective materials with higher adsorption capacity.
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