BS ISO 5725-3:1994 : Implementation of ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results — Part 3. Intermediate measures of the precision of a standard measurement method
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1.1 This part of ISO 5725 specifies four intermediate precision measures due to changes in observation conditions (time, calibration, operator and equipment) within a laboratory. These intermediate measures can be established by an experiment within a specific laboratory or by an interlaboratory experiment.
Furthermore, this part of ISO 5725
a) discusses the implications of the definitions of intermediate precision measures;
b) presents guidance on the interpretation and application of the estimates of intermediate precision measures in practical situations;
c) does not provide any measure of the errors in estimating intermediate precision measures;
d) does not concern itself with determining the trueness of the measurement method itself, but does discuss the connections between trueness and measurement conditions.
BS ISO 5725-3:1994 : Implementation of ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results — Part 3. Intermediate measures of the precision of a standard measurement method