NOTICE: This document contains test results obtained during development of the SRMs. The reader shouldAuf keep in mind that the only official values for the measurands for these SRMs are those presented in the Certificates of Analysis. It is not appropriate to use any other values in place of the certificate values. This extensive report provides an account of the work performed to develop SRM 2859 and SRM 2861. It is one unique example of SRM development practices in compliance with the NIST Quality System for Measurement Services. Other development projects may use different practices and equipment to characterize the material(s) and set(s) of measurands.
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