A method for the prediction of a suitable solvent for the extraction of pesticides is outlined. The procedure is based on the Hildebrand solubility parameter, delta(t). The solubility parameter is broken down into three individual components, which are calculated by the addition of group contributions. To demonstrate the applicability of the approach pressurized fluid extraction was used to ext...

The selection of solvents in the chemical industry is typically based on performance and economic considerations. Other relevant aspects, such as the safety implications that a given solvent generates for the process, are generally left for their consideration after the design of the process has been completed. In this work, an approach for solvent selection including safety considerations at t...

This paper aims to be an aid to those chemists who are interested in utilizing high-speed counter-current chromatography (HSCCC), which is free of irreversible adsorption and offers high resolution comparable to column chromatography. It explains the selection of HSCCC conditions step by step including the selection of two-phase solvent systems, determination of partition coefficient (K) of ana...

A first level of a methodology for the selection and evaluation of solvent at an early stage is presented inside a programming tool for its systematic and friendly application. This first level is based on properties and characteristics of solvents for their selection. Different tools are integrated into the program to aid the evaluation of the group of solvents selected. A case study is presen...