Abstract
The fluorescence of tifluoperazine at EX:300 nm and EM:485 nm was changed into non-fluorescent substance in the presence of bromate under acidic conditions, and the fluorescence detection-FIA of trace amounts of the bromate was developed using this phenomenon. In the concentration range of 1-15 μg L -1 , the bromate analysis was able to obtain a good straight line and eighteen samples per hour were measured. For 7.5 μg L -1 of bromate, the relative standard deviation(RSD) was 2.03 %(n=5) and the detection limit (3σ) was 1.47 μg L -1 .
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