Accreditation and Quality Assurance

, 16:483

Dark uncertainty

General Paper

DOI: 10.1007/s00769-011-0803-0

Cite this article as:
Thompson, M. & Ellison, S.L.R. Accred Qual Assur (2011) 16: 483. doi:10.1007/s00769-011-0803-0

Abstract

Standard uncertainties obtained by the GUM approach for a range of analytical methods are compared directly and indirectly with estimates of reproducibility standard deviation for the same methods. Results were obtained from both routine analysis and international key comparisons. A general tendency for the uncertainty to be substantially less than the reproducibility standard deviation was found.

Keywords

UncertaintyDark uncertaintyReproducibility conditionsGUM

Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.School of ScienceBirkbeck University of LondonLondonUK
  2. 2.LGC LtdTeddingtonUK