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Innovative and Useful Approaches on Trace Determinations of Organic and Inorganic Analytes

Ulusoy HI

Sample pretreatment procedures is one of the most important steps in analysis of complex samples. Even a research laboratory has complicated or sensitive instruments, it is not easy to obtain reliable results if all variables can be considered carefully in your samples. All over the world, most of analytical chemists try to find new methods and develop new materials for sensitive and correct analysis of target species. Prior to analysis in instrumental tools, sample preparation is a critical step affecting all results. Accuracy and reliability of results are directly affected by these steps. An ideal pretreatment procedure should be simple, cost effective, environmental friendly and compatible detection method. There are two fundamental goal of pre-treatment procedures; separation of matrix components and pre-concentration of trace analyte species. If a method can accomplish one of these goals, a conventional analysis approaches will be more sensitive or selective for trace analyte species. This paper includes a few useful approaches of our research group for trace determination of organic and inorganic species. Each of method focus on a target ion or molecule by using a pre-concentration method such as cloud point extraction (CPE), solid phase extraction (SPE), and magnetic solid phase extraction (MSPE), fabric phase sorptive extraction (FPSE). Application of developed method was carried out in various complex samples including food, cosmetic, water and other environmental samples.