BS ISO 5725-3:1994 PDF

1   Scope

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.