The k 0 -INRIM software: a tool to compile uncertainty budgets in Neutron Activation Analysis based on k 0 -standardisation

A software package was developed to evaluate the uncertainty of results provided by neutron activation laboratories adopting the k(0)-standardisation method in trace elements analysis. The outputs are stand-alone and editable spreadsheet budgets based on a measurement equation including more than 40 input quantities and written to consider the effect of correlations. The program, called k(0)-INRIM, is presented to potential users and freely distributed alongside the user?s manual. The measurement equation is reported and the main features are described together with the results obtained in a validation test. An uncertainty budget compiled using the software output is given as an example.