Filtration apparatus and associated method for microwave-assisted chemistry
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United States of America Patent
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Issued Date -
Aug 30, 2007
app pub date -
Feb 24, 2006
filing date -
Feb 24, 2006
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Abandoned
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Abstract
A method and apparatus are disclosed that are useful in bench top sample preparation and filtration techniques, including those related to microwave assisted extraction and partial digestion. In one aspect the method includes the steps of positioning a microwave-transparent matrix removal tool in a microwave transparent reaction vessel adding a matrix-based composition to the microwave reaction vessel containing the removal tool, applying microwave radiation to the reaction vessel, the matrix-based composition, and the matrix removal tool, and removing the matrix based composition from the reaction vessel using the matrix removal tool. In another aspect the method includes the steps of positioning a matrix based composition that includes at least some liquid in a filter vessel, and applying a moderate over-pressure to the composition upstream of the filter to accelerate the movement of liquid through the filter.
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