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ISO 11352:2012

Water quality — Estimation of measurement uncertainty based on validation and quality control data ISO 11352:2012

Publication date:   Jun 29, 2012

General information

90.92 Standard to be revised   Apr 22, 2023

ISO

ISO/TC 147/SC 2 Physical, chemical and biochemical methods

International Standard

13.060.45   Examination of water in general

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Scope

This International Standard specifies methods for the estimation of measurement uncertainty of chemical and
physicochemical methods in single laboratories based on validation data and analytical quality control results
obtained within the field of water analysis.
NOTE 1 The principles of the estimation of uncertainty specified in this International Standard are consistent with the
principles described in ISO/IEC Guide 98-3.
In this International Standard, the quantification of measurement uncertainty relies on performance
characteristics of a measurement procedure obtained from validation and the results of internal and external
quality control.
NOTE 2 The approaches specified in this International Standard are mainly based on QUAM[11], NEN 7779[8], Nordtest
TR 537[10], and Eurolab TR 1[9].
NOTE 3 This International Standard only addresses the evaluation of measurement uncertainty for results obtained
from quantitative measurement procedures. The uncertainties associated with results obtained from qualitative procedures
are not considered.

Life cycle

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PUBLISHED
ISO 11352:2012
90.92 Standard to be revised
Apr 22, 2023

REVISED BY

IN_DEVELOPMENT
ISO/DIS 11352