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Proceedings Paper

Overview of primary reference materials for molecular absorption spectrophotometry in the United States
Author(s): Jerry D. Messman
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Paper Abstract

Primary spectrophotometric Standard Reference Materials (SRMs) from the National Institute of Standards and Technology (NIST) are transfer artifact standards of the highest order in the United States. They are indispensable to spectrophotometer manufacturers for establishing instrument specifications and also to commercial spectrometrology companies for certified value assignment and benchmarking of secondary reference materials. When used judiciously, primary SRMs represent a pivotal link in the measurement traceability chain, and they facilitate quantitative assessment of measurement uncertainty for calibrations of metrological value. This paper provides a concise summary of the contemporary array of primary SRMs for molecular absorption spectrophotometry that can be used to leverage measurement accuracy and traceability to data and results for spectrophotometer operation within the spectral range 235 nm to 805 nm. An introductory benchmark traceability paradigm and a preliminary needs assessment for spectrophotometric SRMs are also presented.

Paper Details

Date Published: 8 August 2003
PDF: 5 pages
Proc. SPIE 4826, Fourth Oxford Conference on Spectroscopy, (8 August 2003); doi: 10.1117/12.514489
Show Author Affiliations
Jerry D. Messman, Stranaska LLC (United States)


Published in SPIE Proceedings Vol. 4826:
Fourth Oxford Conference on Spectroscopy
Art Springsteen; Michael Pointer, Editor(s)

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