System and method for simultaneous cooling and heating of sample matrix during solid and liquid phase extraction methods
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United States of America Patent
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Apr 3, 2018
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app pub date -
May 2, 2015
filing date -
May 2, 2015
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Abstract
The embodiments herein provide a low cost and effective system and method for simultaneous cooling and heating of a sample matrix during solid and liquid phase extraction methods. A cooling device is attached to atop of a sample vial and a heater is placed below the sample to simultaneous cooling and heating of the sample. The cooling device comprises two concentric metallic cylinders capped with welding. Two stainless steel capillary tubes are inserted respectively into two ends of the capped space for passing in and exiting out liquid carbon dioxide from the cooling device to cool the extracted analytes. The dimensions of the cylinders in the cooling device are suitably adjusted so that the cooling device is suited for use in liquid phase as well as solid phase micro-extraction processes.
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