Journal ArticleDOI
A Powder X-Ray Diffraction Method for Qualitative Detection of Potassium Bromate in Bakery Ingredients and Products
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TLDR
In this paper, a powder x-ray diffraction (PXRD) method for detecting KBrO3 adulteration in bakery ingredients and products was proposed and validated using ICCD and COD databases.Abstract:
Potassium bromate is used in the baking industry as a bread improver and is known to improve dough kneading characteristics and bread volume. However, over the years, its carcinogenic nature has been established and KBrO3 is considered a hazardous adulterant in food systems. This study aimed to develop and validate a novel powder x-ray diffraction (PXRD) method for the detection of KBrO3 adulteration in bakery ingredients and products. Different combinations of x-ray tube voltage (25–45 kV), tube current (25–45 mA), step size (0.006°–0.13°), and time per step (50–150 s) were experimented on an angle of 15°–90° at 25 °C with CuKα radiation (λ = 1.5418 A). The KBrO3 phase was identified based on the peak values of 2θ and Miller indicate (hkl) and was confirmed using ICCD and COD crystallography databases. Based on the observation, x-ray tube voltage (45 kV), current (45 mA), step size (0.006 A), and net time per step (150.450 s) were found to be the optimal diffraction conditions for the detection of KBrO3. This study demonstrates the potential of XRD as a non-destructive, rapid, and reliable method for the detection of KBrO3 in bakery products.read more
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A turn-off Eu-MOF@Fe2+ sensor for the selective and sensitive fluorescence detection of bromate in wheat flour.
TL;DR: In this paper , a new europium metal-organic framework (Eu-MOF) was prepared by simple hydrothermal method, which exhibited intense red fluorescence, long fluorescence lifetime (0.454 ms) and excellent fluorescence stability.
Journal ArticleDOI
Development of a method for qualitative detection of lead chromate adulteration in turmeric powder using X-ray powder diffraction
TL;DR: In this paper, a powder X-ray diffraction method for the direct detection of PbCrO4 adulteration in turmeric powder was developed and validated on the angle of 15°-50° at 25°C with CuKα radiation.
Journal ArticleDOI
Geophagic Clays from Cameroon: Provenance, Metal Contamination and Health Risk Assessment.
TL;DR: In this paper, the authors assessed the mineralogical and geochemical characteristics of geophagic clays sold in some markets in Cameroon to ascertain their provenance, contamination status and human health risk.
Journal ArticleDOI
Novel powder-XRD method for detection of acrylamide in processed foods
TL;DR: In this paper , the first-of-its-kind application of powder X-Ray Diffraction (PXRD) for the detection of acrylamide in food systems was described.
References
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Examination of the monoclinic/orthorhombic transition in silicalite using XRD and silicon NMR
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A deep-learning technique for phase identification in multiphase inorganic compounds using synthetic XRD powder patterns.
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A statistical perspective on the ICH Q2A and Q2B guidelines for validation of analytical methods
TL;DR: In this paper, the authors present a protocol design and data analysis in accordance with the ICH Q2A and Q2B guidelines, and demonstrate linearity (results directly proportional to concentration of analyte in the sample) using least squares regression.