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Radiometric properties of sepiolite minerals from quarries in Central Anatolia of Turkey     
Yazarlar
Prof. Dr. Aybaba HANÇERLİOĞULLARI Prof. Dr. Aybaba HANÇERLİOĞULLARI
Kastamonu Üniversitesi, Türkiye
Y G Ali Madee
Prof. Dr. Aslı KURNAZ Prof. Dr. Aslı KURNAZ
Kastamonu Üniversitesi, Türkiye
Prof. Dr. Şeref TURHAN Prof. Dr. Şeref TURHAN
Kastamonu Üniversitesi, Türkiye
Özet
Sepiolite is a naturally occurring clay mineral of sedimentary origin and is a magnesium hydrosilicate. Sepiolite has been widely used as an additive raw material in ceramics and ce-ment industry, pharmaceutical, cleaning-detergent, paper, paint, cosmetic agriculture, fertilizer, etc. In this study, the natural radioactivity levels, radon emanation coefficients and radon exhalation rates of 30 sepiolite samples collected from open three sepiolite quarries (Beylikova, Polath and Sivrihisar) in Central Anatolia region of Turkey were determined by using a gamma-ray spectrometry with an HPGe detector. The average absorbed gamma dose rates directly measured in Beylikova, Polath and Sivrihisar open three sepiolite quarries lo-cated in Central Anatolia region of Turkey were found as 59, 65, and 64 nGyh--1, respectively. The average activity concentrations of 226 Ra, 232 Th, and40K in 30 sepiolite samples collected from those quarries were found as 38.6, 12.4, and 67.4 Bqkg--1, respectively. The average ema nation coefficient and exhalation rate of radon of sepiolite samples were determined as 22 % and 0.065 Bqkg--1h--1, respectively. Also, radiological parameters (outdoor absorbed gamma dose rate, annual effective dose rate, external and internal index) were estimated to evaluate the use of sepiolite samples as additive raw materials in the building sector.
Anahtar Kelimeler
Gamma-ray spectrometry | Natural radioactivity | Outdoor absorbed gamma dose rate | Radon emanation coefficient | Radon mass exhalation rate | Sepiolite
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı NUCLEAR TECHNOLOGY & RADIATION PROTECTION
Dergi ISSN 1451-3994
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q3
Makale Dili İngilizce
Basım Tarihi 06-2019
Cilt No 34
Sayı 2
Sayfalar 149 / 156
Doi Numarası 10.2298/NTRP181218016H