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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
PIXE analysis of Nigerian flour and bread samples
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Volume 318, No. PART A, Year 2014
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Description
The alleged use of potassium bromate (KBrO3) in bread baking led a few authors to report on the chemical methods for the determination of KBrO3 levels in bread. In order to examine the potentials of a non chemical particle induced X-ray emission (PIXE) method for this purpose, six sets of samples, each composed of flour, dough and bread from a production batch were analysed. The samples were obtained from six different bakers of bread at Ile-Ife, Nigeria. The flour samples were air-dried while others were freeze dried at about-16 C. The samples were homogenised in an agate mortar and then pelletised. Samples were analysed at the CTN standard PIXE setup and standard procedures for thick target samples analysis were followed. In some samples significant concentrations of bromine were found. In the present work we present possible explanations for the presence of this potentially dangerous contaminant in the samples. © 2013 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Olise, Felix S.
Nigeria, Ife
Obafemi Awolowo University
Fernandes, Adriana M.
Portugal, Lisbon
Universidade de Lisboa
Cristina Chaves, P.
Portugal, Lisbon
Universidade de Lisboa
Taborda, Ana
Portugal, Lisbon
Universidade de Lisboa
Reis, M.
Portugal, Lisbon
Universidade de Lisboa
Statistics
Citations: 5
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1016/j.nimb.2013.06.053
ISSN:
0168583X
Research Areas
Environmental
Study Locations
Nigeria