title: Results of an international comparison for the activity measurement of 177Lu.
abstract: An international Key Comparison of (177)Lu has recently been carried out. Twelve laboratories performed assays for radioactivity content on aliquots of a common master solution of (177)Lu, leading to eleven results submitted for entry into the Key Comparison Database of the Mutual Recognition Arrangement. A proposed Comparison Reference Value (CRV) was calculated to be 3.288(4)MBq/g using all eleven results. Degrees of equivalence and their uncertainties were calculated for each laboratory based on the CRV. Most of the values reported by the participating laboratories were within 0.6% of the CRV.
authors.affiliation: Physical Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USA. bez@nist.gov
authors.forename: B E
authors.initials: BE
authors.lastname: Zimmerman
authors.forename: T
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authors.lastname: Altzitzoglou
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authors.lastname: Antohe
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authors.lastname: Capogni
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authors.initials: ML
authors.lastname: Cozzella
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authors.lastname: da Silva
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authors.lastname: Fazio
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authors.lastname: Fitzgerald
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authors.lastname: Iwahara
authors.forename: F
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authors.lastname: Jaubert
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authors.lastname: Johansson
authors.forename: J
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authors.lastname: Keightley
authors.forename: M F
authors.initials: MF
authors.lastname: Koskinas
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authors.lastname: Kossert
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authors.lastname: Lubbe
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authors.lastname: Luca
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authors.lastname: Mo
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authors.lastname: Nähle
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authors.lastname: Ott
authors.forename: J
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authors.lastname: Paepen
authors.forename: S
authors.initials: S
authors.lastname: Pommé
authors.forename: M
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authors.lastname: Sahagia
authors.forename: B R S
authors.initials: BR
authors.lastname: Simpson
authors.forename: F F V
authors.initials: FF
authors.lastname: Silva
authors.forename: R
authors.initials: R
authors.lastname: van Ammel
authors.forename: M J
authors.initials: MJ
authors.lastname: van Staden
authors.forename: W M
authors.initials: WM
authors.lastname: van Wyngaardt
authors.forename: I M
authors.initials: IM
authors.lastname: Yamazaki
mesh_terms: D008187:Lutetium / Q000032:analysis* / Q000737:chemistry* / Q000592:standards; D011829:Radiation Dosage; D011868:Radioisotopes / Q000032:analysis* / Q000737:chemistry* / Q000592:standards; D011874:Radiometry / Q000295:instrumentation* / Q000592:standards*; D012015:Reference Standards; D012016:Reference Values
chemical_list: D011868:Radioisotopes; D008187:Lutetium