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2. Interlaboratory analysis
2.1 Repeatability and reproducibility according to ISO 5725
As precision measures the dispersion of measurements and as this dispersion has various causes , two extreme situations are defined in which replicates can be achieved from the single sample using the same method under:
repeatability condition;
reproducibility condition.
They are defined as follows in the VIM
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Standards and norms
- Accuracy (trueness and precision) of results and measurement methods – Part 1: General principles and definitions - ISO 5725-1 - 2023
- Accuracy (trueness and precision) of results and measurement methods – Part 2: Basic method for determining the repeatability and reproducibility of a standard measurement method - ISO 5725-2 - 2019
- Accuracy (trueness and precision) of results and measurement methods –...
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