An uncertainty spreadsheet for the k 0-standardisation method in Neutron Activation Analysis
Articolo
Data di Pubblicazione:
2018
Abstract:
This paper focuses on the use of the spreadsheet technique to set up the uncertainty budget for the k0-standardisation
method in Neutron Activation Analysis. The adopted measurement model included most of presently recognized error
sources and was written to limit the covariances between input quantities. The calculations were implemented in a
worksheet file and tested in a multi-elemental analysis of a biological material. Besides, it was demonstrated that the k0-
standardisation turns to the relative-standardisation when the monitor element corresponds to the analyte element. The
developed worksheet is available and suitable for the analysis of other materials in different experimental conditions.
method in Neutron Activation Analysis. The adopted measurement model included most of presently recognized error
sources and was written to limit the covariances between input quantities. The calculations were implemented in a
worksheet file and tested in a multi-elemental analysis of a biological material. Besides, it was demonstrated that the k0-
standardisation turns to the relative-standardisation when the monitor element corresponds to the analyte element. The
developed worksheet is available and suitable for the analysis of other materials in different experimental conditions.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
k0-standardisation method Uncertainty budget Spreadsheet technique Correlated input quantities Cerebrospinal fluid
Elenco autori:
D’Agostino, G.; Di Luzio, M.; Oddone, M.
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