Introduction to Microwave Sample Preparation: Theory and PracticeProvides a theoretical basis for understanding microwave acid sampling requiring elemental or chemical analysis. Describes techniques and equipment found most effective. Gives direct practical applications of the methods to a variety of sample types. Covers most aspects of closed vessel microwave digestion and open vessel acid composition. Demonstrates fundamental relationships that can be used to predict the conditions that will occur under specific parameter settings. Addresses safety considerations for each technique demonstrated. This book is truly multidisciplinary--its techniques can be used in inorganic elemental analysis, sample digestion, food analysis, environmental sample preparation chemistry, and other areas. |
Contents
Theoretical Concepts and Equipment Design | 7 |
Microwave Instrumentation | 17 |
Components and Accessories | 23 |
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absorption acid decomposition acid dissolution American Chemical Society Anal analysis Analytical Chemistry aqua regia automated aztreonam Bands for Prediction biological Caro's acid CEM Corporation Chem chemical closed-vessel concentration container cooling dielectric dielectric relaxation digestion method digestion vessel dilution dissipation factor dissolve elements equipment Figure fume glass H₂O HNO3 hydrochloric acid hydrofluoric acid instruments Jassie Kingston Kjeldahl digestion Kjeldahl method laboratory Ln Power magnetron matrix metal micro-Kjeldahl microwave acid microwave cavity microwave digestion system microwave dissolution microwave energy microwave Kjeldahl microwave oven microwave power microwave system microwave unit monitoring nitric acid nitrogen open-vessel operation oxidizing perchloric acid power absorbed predigestion PRESSURE atm pressure dissolution pressure profile probe procedure Quartic Quartic Functions radiation reaction vessel reagents robot safety sample preparation selenium solution Standard Reference Materials sulfuric acid Table technique Teflon PFA vessels Teflon vessels temperature and pressure tube turntable valve watts µg/g