Abstract
The electro reductive behavior and determination of bromate on [5, 10, 15, 20-tetrakis (4-methoxyphenylporphyrinato] Manganese (III) chloride (TMOPPMn(III)Cl) modified Gold electrode(GE) was investigated by Square wave voltammetry (SWV). Bromate showed an irreversible reduction peak at −164 mV in 0.1 M pH 7 Na2SO4 solution. The cathodic peak of bromate showed a reduction in potential of 88 mV on modifying GE with a porphyrin film. The peak current varied linearly with concentration with a detection limit of 3.56 × 10−9 M. The influence of pH, scan rate, supporting electrolyte and interferents on the reduction peak current of bromate were studied. The developed sensor was proposed for the determination of bromate in bread samples and compared with the standard method.
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The authors are grateful to the Defence Research and Development Organization (DRDO), Govt. of India for the financial assistance in the form of a research project to carryout this work.
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Sheen, S., Jos, T., Rajith, L. et al. Manganese porphyrin sensor for the determination of bromate. J Food Sci Technol 53, 1561–1566 (2016). https://doi.org/10.1007/s13197-015-2099-2
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DOI: https://doi.org/10.1007/s13197-015-2099-2