PD ISO GUIDE 33:2015 PDF

1   Scope

1.1    This Guide describes good practice in using reference materials (RMs), and certified reference materials ( CRMs ) in particular, in measurement processes. These uses include the assessment of precision and trueness of measurement methods, quality control, assigning values to materials, calibration, and the establishment of conventional scales. This Guide also relates key characteristics of various types of RMs to the different applications.