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|Title:||Application of Consistency Checking to Evaluation of Uncertainty in Multiple Replicate Measurements|
|Authors:||KESSEL Ruediger; BERGLUND MICHAEL; WELLUM R.|
|Citation:||ACCREDITATION AND QUALITY ASSURANCE vol. 13 no. 6 p. 293-298|
|Type:||Articles in Journals|
|Abstract:||The use of repeated measurements in the field of quantitative chemical analysis is common but leads to the problem of how to combine the measurement values and produce a result with an uncertainty following the GUM. A solution for combining repeated measurement results and their individual uncertainties is proposed here based on simple interval logic. The individual measurement values and their uncertainties are compared with the calculated average value to see if this implies that another, possibly unknown source of uncertainty is present. A simple numerical example is given showing how the method can be implemented in practice.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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