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assessment of structure, dielectric and gamma-shielding properties of chemically treated natural kaolinitic clay
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نویسنده
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al-reyahi anas yousef ,degs salem yahya ,issa ayman abdulla ,khattari zyad yousef ,abu al sayyed mohammed
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منبع
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iranian journal of materials science and engineering - 2021 - دوره : 18 - شماره : 4 - صفحه:56 -69
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چکیده
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The structural properties of a natural clay sample (51% kaolinite) were tailored to suit specificapplications. h2so4 and naoh (1.0 m) treatment caused structural alterations and a significant release of al ionscompared to si ions. chemical treatment caused structural alterations, according to xrd analysis. ftir analysisalso indicated higher density of polar surface groups upon treatment which affected the corresponding dielectricbehavior. dielectric measurements showed their suitability in the frequency dependent dialectical insulatorapplications. acid treated kaolinite was a promising dielectric at 10 and 1000 hz. with appropriate mass attenuationcoefficients (μ/ρ) of 12.098-12.182 cm^2/g and a high half value layer of 10 cm at 10 kev, kaolinite and other treatedforms were adequate to act shielding material.
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کلیدواژه
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kaolinite ,acid/alkali treatment ,physicochemical characteristics ,dielectric and shielding properties
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آدرس
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hashemite university, faculty of science, department of physics, jordan., hashemite university, faculty of science, department of chemistry, jordan, hashemite university, faculty of science, department of chemistry, jordan., hashemite university, faculty of science, department of physics, jordan., university of tabuk, faculty of science, saudi arabia
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Authors
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