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Vol. 26 No. 18 (2014): Vol 26 Issue 18

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Neutron Permeation Properties and Characterization of Synthesized Non-Hydrated Magnesium Borate Minerals

https://doi.org/10.14233/ajchem.2014.16504
Azmi Seyhun Kipcak
Department of Chemical Engineering, Yildiz Technical University, Istanbul, Turkey
Emek Moroydor Derun
Department of Chemical Engineering, Yildiz Technical University, Istanbul, Turkey
Fatma Tugce Senberber
Department of Chemical Engineering, Yildiz Technical University, Istanbul, Turkey
Ozgul Dere Ozdemir
Department of Chemical Engineering, Yildiz Technical University, Istanbul, Turkey
Derya Yilmaz Baysoy
Department of Physics, Mimar Sinan Fine Arts University, Istanbul, Turkey
Sabriye Piskin
Department of Chemical Engineering, Yildiz Technical University, Istanbul, Turkey

Corresponding Author(s) : Emek Moroydor Derun

moroydor@gmail.com

Asian Journal of Chemistry, Vol. 26 No. 18 (2014): Vol 26 Issue 18

Abstract

Magnesium borates are excellent materials due to their thermal and mechanical properties. In this study, the thermal (solid-state) synthesis was used for the production of non-hydrated magnesium borate minerals. In the X-ray diffraction results of thermal synthesis, Kotoite (K) "01-075-1807, Mg3(BO3)2", Suanite (S) "01-086-0531, Mg2(B2O5)" and (MgB1) "00-031-0787, MgB4O7" and (MgB2) "01-073-2232, Mg2B2O5" were produced. Higher XRD scores were seen at the molar ratios of 3:2 and 1:1. Materials, XRD scores increased with increasing temperature and time. Molar ratios, reaction temperature and time for the best crystal magnesium borate materials production were determined as 3:2-1:1, 1000 °C and 240 min. Products at the highest XRD scores were subjected to neutron permeability analyses. Neutron permeability decreased with increasing thickness of the material. Increase of molar ratio of the raw materials contributed to the neutron permeability of product. The lowest values of total macroscopic cross section and neutron permeability have been found for 3:2 of MgO:H3BO3 ratio and 1.25 cm thickness.

Keywords

Magnesium borate Microstructure Neutron capture cross section Radiation shielding Solid state synthesis Spectroscopy
Seyhun Kipcak, A., Moroydor Derun, E., Tugce Senberber, F., Dere Ozdemir, O., Yilmaz Baysoy, D., & Piskin, S. (2014). Neutron Permeation Properties and Characterization of Synthesized Non-Hydrated Magnesium Borate Minerals. Asian Journal of Chemistry, 26(18), 6033–6038. https://doi.org/10.14233/ajchem.2014.16504
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