Preparation and evaluation of new reference materials for naturally occurring radioactive materials (NORM): Zirconium silicate, bauxite, and phosphogypsum

被引:5
作者
Lee, JuHyun [1 ,2 ]
Kim, Yong-Jae [1 ]
Chae, Jung-Seok [1 ]
Oh, Jung Suk [3 ]
Kwon, EunHee [4 ]
Lim, Jong-Myoung [5 ]
Lee, Hoon [6 ,12 ]
Han, Jeong Hee [7 ]
Pham, Mai Khanh [8 ]
Nour, Svetlana [9 ]
La Rosa, Jerome [9 ]
Gaca, Pawel [10 ]
Daniel, Benoit [11 ]
机构
[1] Korea Inst Nucl Safety KINS, NORM Safety Ctr, Daejeon 34142, South Korea
[2] Hanyang Univ, Dept Chem Engn, Seoul 04763, South Korea
[3] Korea Res Inst Stand & Sci KRISS, Daejeon 34113, South Korea
[4] Univ Sci & Technol UST, Daejeon 34113, South Korea
[5] Korea Atom Energy Res Inst KAERI, Daejeon 34057, South Korea
[6] Korea Fdn Nucl Safety KoFONS, Gyeonggi Do 13493, South Korea
[7] Korea Basic Sci Inst KBSI, Ctr Res Equipment, Cheongju 28119, South Korea
[8] Int Atom Energy Agcy IAEA, Environm Labs, MC-98000 Monte Carlo, Monaco
[9] NIST, Gaithersburg, MD 20899 USA
[10] Univ Southampton, Natl Oceanog Ctr, GAU Radioanalyt Labs GAU, 161-31 European Way, Southampton SO14 3ZH, Hants, England
[11] EICHROM EUROFINS Radioactivite EICHROM, Rue Maryse Bastie,Bat C, F-35170 Bruz, France
[12] KINS, NORM Safety Ctr, Daejeon, South Korea
关键词
Thorium; Uranium; Naturally occurring radioactive materials; Reference materials; CERTIFIED REFERENCE MATERIAL; UNCERTAINTY CALCULATIONS; RADIONUCLIDES; CERTIFICATION;
D O I
10.1016/j.apradiso.2020.109525
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New reference materials (RMs), zirconium silicate, bauxite and phosphogypsum, were produced and characterized according to an ISO guide. The homogeneity of the three RMs was evaluated using X-ray fluorescence (XRF), and characterizations of the three candidate materials were performed through a collaborative study with nine expert radioanalytical laboratories. The assigned radionuclides are Th-230, Th-232, U-234, U-235, and U-238 for zirconium silicate; Th-230, Th-232, U-234, and U-238 for bauxite; and Ra-226, Th-230, U-234, and U-238 for phosphogypsum.
引用
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页数:7
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