METHODS AND APPARATUS FOR ANALYSIS OF AQUATIC CHEMICAL AND/OR BIOLOGICAL SYSTEMS
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United States of America Patent
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Jul 24, 2014
app pub date -
Jun 27, 2012
filing date -
Jul 16, 2011
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A preferred test system includes a chemical and/or biological sample in a liquid test medium and contains both a liquid and a gas phase that simulates air-water gas exchanges. It operates intermittently, with additions and eliminations of liquids being decoupled in time so that to make sure the medium is well mixed before eliminating any liquid; requirement for expensive fixed flow pumps, or accurate flow meters are eliminated while accurate measurement of fluxes between the chemical and/or biological sample, the liquid and the gas phase are possible by mass balance between added and eliminated liquids.
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