Assessment of Structure, Dielectric and Gamma-Shielding Properties of Chemically Treated Natural Kaolinitic Clay

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IJMSEI-18-4_006

تاریخ نمایه سازی: 24 بهمن 1401

Abstract:

The structural properties of a natural clay sample (۵۱% kaolinite) were tweaked to suit specific applications. H۲SO۴ and NaOH (۱.۰ M) treatment caused structural alterations and a significant release of Al ions compared to Si ions. Chemical treatment caused structural alterations, according to XRD analysis. FTIR analysis also indicated higher density of polar surface groups upon treatment which affected the corresponding dielectric behaviors. Dielectric measurements shown the suitable application of the materials either as dielectrical insulator and this dependent on the applied frequency. Acid treated kaolinite was reported to be a promising dielectric at ۱۰ and ۱۰۰۰ Hz. With appropriate mass attenuation coefficients (μ/ρ) ۱۲.۰۹۸-۱۲.۱۸۲ cm۲/g and a high half value layer of ۱۰ cm at ۱۰ keV, kaolinite and other treated forms were adequate shielding materials.

Keywords:

Kaolinite , Acid/alkali treatment , Physicochemical characteristics , Dielectric and shielding properties

Authors

Anas Al-Reyahi

Department of Physics, Faculty of Science, The Hashemite University, P.O. Box ۳۳۰۱۲۷, Zarqa ۱۳۱۳۳, ‎Jordan.

Salem Yahya Degs

Department of Chemistry, Faculty of Science, The Hashemite University, P.O. Box ۳۳۰۱۲۷, Zarqa ۱۳۱۳۳, ‎Jordan.

Ayman Issa

Department of Chemistry, Faculty of Science, The Hashemite University, P.O. Box ۳۳۰۱۲۷, Zarqa ۱۳۱۳۳, ‎Jordan

Zyad Khattari

Department of Physics, Faculty of Science, The Hashemite University, P.O. Box ۳۳۰۱۲۷, Zarqa ۱۳۱۳۳, ‎Jordan.

Mohammed Abu Al Sayyed

Faculty of Science, University of Tabuk, Saudi Arabia

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