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Procedure for evaluating and expressing the uncertainty of measurement
After reading this article you will..
- understand that the essential component of evaluation on uncertainty is careful identification of all factors that contribute to the uncertainty.
- know that the total uncertainty of a test within laboratory will thus consist of three components: uncertainty within a test, uncertainty between occasions in the same laboratory and uncertainty between laboratories.
Material testing and product properties
- Why test pulp and paper?
- Fibre properties
- Papermaking properties of pulp
- Fluff pulps
- Chemical analysis of pulps
- General physical properties of paper and board
- Optical properties of paper
- End-use properties of printing papers
- End-use properties of packaging papers and boards
- Tissue papers
- Permanent papers
- Reliability of results in physical testing of pulp and paper
- Quality control at the mill
- Standardisation in pulp and paper testing
Authors & references
Edited by:
Petteri Maijanen, ABB
Original authors:
Pirjo Jokio, Mats Hiertner
Based on: Jokio, P., Hiertner, M., Reliability of results in physical testing of pulp and paper (Chapter 13). In: Levlin, J-E. & Sjöderhelm, L. (ed), Pulp and paper testing (Book 17), Papermaking Science and Technology. Jyväskylä. 1999. Fapet Oy. pp. 257 – 267.
References:
- Evaluation of measurement data — Guide to the expression of uncertainty in measurement (GUM), issued by BIPM, IEC, IFCC, ISO, IUPAC and OLIM, International Organization for Standardization JCGM 100:2008 (2008).
- EAL-G23 ”Expression on uncertainty in quantitative testing”, European cooperation for Accreditation of Laboratories (1996).
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This page has been updated 07.04.2021