A comprehensive reference and handbook covering all aspects of ultrasound foranalytical applications. Besides classical extraction techniques, it also provides an overview of ultrasound applications in proteomics and polymer technology. INDICE: The uses of power ultrasound in Analytical Chemistry Introduction Cavitation Parameters affecting cavitation Frequency Intensity Solvent Temperature External pressure and bubbled gas Sound attenuation Common ultrasonic devices used in Analytical Chemistry. The ultrasonic bath Types of ultrasonic baths How to locate the most efficiency place inside a bath Temperature control Shape and material of reaction container The ultrasonic probe Parts of an ultrasonic probe Types of ultrasonic probes Dead zones How to choose the correct ultrasonic probe Temperature control Shape and material of reaction container Current ultrasonic devices for new analytical applications Ultrasonic Extractionfor elemental analysis by spectroscopy techniques Introduction Extracting reagent The ultrasonic bath vs. the ultrasonic probe Extraction from soils and sediments Extraction from sewage sludge Extraction from plants Extraction from soft-tissues Elemental determination Ultrasonic solid-liquid extraction for F-AAS Ultrasonic solid-liquid extraction for ET-AAS Ultrasonic solid-liquid extraction for CV and HG accomplished to AAS or AFS Ultrasonic slurry sampling for ET-AAS or ET-ICP-MS Ultrasonic slurry sampling Elemental speciation What it means speciation? Shortening sequential extraction schemes Speciation for soils and sediments Speciation for plants Speciation from soft tissues Speciation from water Speciation from human urine On-line applications Open systems Closed systems Ultrasonic bath Ultrasonic probe Current tendencies Accelerating liquid-liquid extraction Improving solid-liquid extraction in pre-concentration approaches Ultrasonic accelerated Extraction of semivolatile and volatile organics for their analysis by chromatographic techniques Introduction Extracting reagent The ultrasonic bath vs. the ultrasonic probe Liquid-liquid extraction Liquid-solid extraction Solid-Phase extraction Solid-Phase Microextraction Stir Bar Sorptive Extraction Solid-Liquid Extraction Electrochemical applications ofpower ultrasound Power ultrasound meets proteomics Speeding up separation of intact proteins from gels Speeding up protein digestion for fast protein odentification by PMF Current tendencies Power ultrasound meets Polymers.
- ISBN: 978-3-527-31934-3
- Editorial: Verlag Chemie
- Encuadernacion: Cartoné
- Páginas: 171
- Fecha Publicación: 26/11/2008
- Nº Volúmenes: 1
- Idioma: Inglés