Spectrophotometric Determination of Bromate Ions Using Phenothiazines

Date
1995
Authors
Farrell, E. Sebastian
Joa, J. F.
Pacey, Gilbert E.
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Abstract
A highly sensitive spectrophotometric method for the determination of bromate ion is described. The method is based on the reduction of aqueous bromate ion by a phenothiazine in acidic conditions to produce a colored species. The method is suitable for bromate ion determination in the 1–700 μg/l range. For the most sensitive reagent, trifluoperazine, the limit of detection and limit of quantitation were calculated to be 0.67 and 2.25 μg/l, respectively.
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Citation
Farrell, S., Joa, J. F., & Pacey, G. E. (1995). Spectrophotometric determination of bromate ions using phenothiazines. Analytica Chimica Acta, 313(1-2), 121-129. https://doi.org/10.1016/0003-2670(95)00250-4