BROMATE ION MEASUREMENT METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Mar 18, 2009
filing date -
Mar 19, 2008
priority date (Note) -
Abandoned
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Abstract
A method for measuring bromate ion is provided that provides high-sensitivity measurement results more simply and more quickly than conventional bromate ion measurement methods. A fluorescent substance that is quenched by coexistence with bromate ions is added to a sample and the fluorescence intensity of the fluorescent substance after quenching is measured, the measured fluorescence intensity being subtracted from the fluorescence intensity of a standard sample containing no bromate ions to calculated the fluorescence intensity difference. The bromate ion concentration is calculated from the calculated fluorescence intensity difference, using a pre-determined calibration line between the fluorescence intensity difference and the bromate ion concentration.
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