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Analysis of bakery products by laser-induced breakdown spectroscopy
Date
2015-08-15
Author
Bilge, Gonca
BOYACI, İSMAİL HAKKI
ESELLER, KEMAL EFE
TAMER, UĞUR
Çakır, Serhat
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In this study, we focused on the detection of Na in bakery products by using laser-induced breakdown spectroscopy (LIBS) as a quick and simple method. LIBS experiments were performed to examine the Na at 589 nm to quantify NaCl. A series of standard bread sample pellets containing various concentrations of NaCl (0.025-3.5%) were used to construct the calibration curves and to determine the detection limits of the measurements. Calibration graphs were drawn to indicate functions of NaCl and Na concentrations, which showed good linearity in the range of 0.025-3.5% NaCl and 0.01-1.4% Na concentrations with correlation coefficients (R-2) values greater than 0.98 and 0.96. The obtained detection limits for NaCl and Na were 175 and 69 ppm, respectively. Performed experimental studies showed that LIBS is a convenient method for commercial bakery products to quantify NaCl concentrations as a rapid and in situ technique.
Subject Keywords
Laser-induced breakdown spectroscopy (LIBS)
,
Bakery products
,
Detection of NaCl
,
Detection of Na
,
Titration
,
Atomic absorption spectroscopy (AAS)
URI
https://hdl.handle.net/11511/32344
Journal
FOOD CHEMISTRY
DOI
https://doi.org/10.1016/j.foodchem.2015.02.090
Collections
Graduate School of Natural and Applied Sciences, Article