Express the uncertainty of measurement of a result
From validated method to validated results

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P225 V2 Article

Express the uncertainty of measurement of a result
From validated method to validated results

Authors : Max FEINBERG, Serge RUDAZ

Review date: May 23, 2023 | Lire en français

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4. Express the uncertainty of measurement of a result

4.1 Before measurement uncertainty

The emergence of measurement uncertainty (MI) follows a conceptual evolution spanning 30 years. Before MI was considered relevant, the concept of total analytical error (TAE ), introduced in 1974, was most often proposed . To define EAT, it is assumed that the deviation between the measurement and the single true value of the sample – also called total error – is made up of two parts: systematic and...

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