Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Hyphenated Techniques"”.
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Hyphenated techniques for speciation of Se in biological matrices
… the use of several state-of-the art analytical techniques to meet the needs of these speciation analysis. The species were first separated by using liquid chromatography, detection of the species was done by inductively coupled plasma mass spectrometry and electrospray ionization tandem mass …
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Hyphenated fourier transform infrared spectrometry: techniques for separations and analysis
… describes the instrumentation and application of hyphenated FT-IR techniques specifically involving supercritical fluid extraction (SFE), supercritical fluid chromatography (SFC), and liquid chromatography (LC). Three studies are presented. The first involves the application of SFE/FT-IR towards …
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On-line screening of bioactive compounds and application of comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry for the analysis of birch bark
… investigation of natural plant extracts.The hyphenated techniques, which couple on-line chromatographic separation and biochemical detection, are called high-resolution screening methods. In this system, high-performance liquid chromatography separates complex mixtures, and a post-column …
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Field sampling and flow injection strategies for trace analysis and element speciation.
… trace element speciation measurements including hyphenated techniques and/or a variety of chemical/physical pretreatments in combination with flow injection (FI) is discussed.Chapter 2 describes mercury speciation experiments utilising gas chromatography-microwave induced plasma-atomic emission …
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Exploitation of agricultural and forestry waste: from the recovery of bioactive compounds for nutraceutical applications to the production of innovative materials
… the optimized shell extracts was determined by hyphenated techniques, namely high-performance liquid chromatography/electrospray ionization ion-trap tandem mass spectrometric (HPLC/ESI-MS/MS) analyses. A thorough qualitative and quantitative analysis of mass spectrometric data allowed the …