Ramos and others published solvent microextraction. Trace element speciation using solid phase microextraction cnstn. Theory and practice janusz pawliszyn solid phase microextraction spme is a recently proposed solventfree sampling and sample preparation technique. Ionic liquidbased dispersive liquidliquid microextraction combined with functionalized magnetic nanoparticle solidphase extraction for determination of. Solid phase extraction spe is a method used for the isolation and concentra tion of selected analytes from a gas, fluid or liquid usually flowing sample stream by their transfer to and retention sorption on a solid phase. In practice, this means that once equilibrium is reached the amount. Applications of solid phase microextraction spme describes the applications of this technique as a modern alternative to current sample preparation technology.
Headspace, solid phase microextraction, gas chromatography, benzene. Solidphase microextraction spme is a sample preparation method developed to solve some of the analytical challenges of sample preparation as well as. Theory of solidphase microextraction janusz pawliszyn department of chemistry, university of waterloo, waterloo, on, n2l 3g1, canada reproduction photocopying of editorial content of this journal is prohibited without publishers permission. Theoretical aspects of solid phase microextraction. Theory and practice find, read and cite all the research you need on researchgate. Multivariate test designs such as full factorial design, doehlert matrix. Pdf solidphase microextraction spme and its application to. It is based on calculating the amount of analyte corresponding to complete extraction using the peak areas of a few consecutive extractions from the same sample. Request pdf theory of solidphase microextraction this chapter. Bioanalytical applications of solid phase microextraction coupled to lcms heather lord, marcel musteata, dajana vuckovic, simon zhou and janusz pawliszyn department of chemistry. Applications of solid phase microextraction pdf download. Solidphase microextraction, or spme, is a solid phase extraction sampling technique that. A simple solventless injection method was introduced based on the using of a solid phase microextraction spme fiber for injection of large amounts of the analytes extracted by the magnetic solid. In industry, practical uses of spme can be found in environmental, food, pharmaceutical, clinical and forensic applications, all of which are described in this book.
Solid phase microextraction spme is a recently proposed solventfree sampling and sample preparation technique. Spme represents a quick, sensitive, and economical approach that can be adopted for field work and can be easily integrated with present analytical instrumentation into an automation process. In solid phase microextraction spme, analytes are extracted by an extraction phase that is exposed directly to the sample matrix or to the headspace above it,14,15. Theory and practice janusz pawliszyn solid phase microextraction spme is a recently proposed solventfree sampling and. Application of in vivo solid phase microextraction spme. Theory of solidphase microextraction request pdf researchgate. The theory of twa sampling using an spme device, was evaluated both in the. In practice, a concentration gradient occurs around the. Solid phase microextraction is a solvent free equilibrium extraction method, in which. Multiple solidphase microextraction mspme is a stepped procedure suitable for avoiding matrixeffect errors in quantitative analyses of complex matrix samples by spme.
1225 799 953 14 1251 662 1668 316 822 1049 830 1167 1396 269 1311 1323 162 1264 1057 252 1347 613 141 153 561 1456 1054 1010 1214 1166 1363 199 126 932 829 631 310 322