Protocols for traceability in chemical analysis |
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| Authors: | P. de Bièvre Robert Kaarls H. Steffen Peiser Stanley D. Rasberry William P. Reed |
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| Affiliation: | (1) Institute for Reference Materials and Measurements, European Commission – JRC B-2440 Geel, Belgium Tel.: 32-14-571-605; Fax: 32-14-591-978, BE;(2) Netherlands Measurements Institute, 2600 AR Delft, The Netherlands, NL;(3) retired from National Institute of Standards and Technology, 638, Blossom Drive, Rockville, MD 20850, USA Tel.: 1-301-762-6860; Fax: 1-301-762-1173, US;(4) retired from National Institute of Standards and Technology, Gaithersburg, MD 20899, USA, US |
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| Abstract: | The authors propose definitions and terminology for protocols on traceability links, generally to the international system of units, for specific chemical-analytical measurements in accordance with recognized principles of science. These definitions and terms could be useful in science, technology, commerce or law. A chain of such links leads from a measurand in a sample up to a unit in the International System of Units or, if unavailable, to a value on an internationally recognized measurement scale. The quality of such a chain is quantified by combining all recognized uncertainties estimated for all its links. These uncertainties of the measured values arise from many potential error sources. The protocols should give details of specific uses of reference materials, measuring instruments and standard measurement methods. Received: 12 January 1997 Accepted: 31 January 1997 |
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