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The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms

The National Institute of Standards and Technology (NIST) is responsible for the dissemination of the unit of mass within the United States of America through the national prototype kilogram K20 and its check standard K4. These platinum-iridium artifacts have been in use since 1889 and are periodica...

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Autores principales: Kubarych, Zeina J, Abbott, Patrick J
Formato: Online Artículo Texto
Lenguaje:English
Publicado: [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4487295/
https://www.ncbi.nlm.nih.gov/pubmed/26601023
http://dx.doi.org/10.6028/jres.119.001
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author Kubarych, Zeina J
Abbott, Patrick J
author_facet Kubarych, Zeina J
Abbott, Patrick J
author_sort Kubarych, Zeina J
collection PubMed
description The National Institute of Standards and Technology (NIST) is responsible for the dissemination of the unit of mass within the United States of America through the national prototype kilogram K20 and its check standard K4. These platinum-iridium artifacts have been in use since 1889 and are periodically sent to the International Bureau of Weights and Measures (BIPM) for recalibration. The following is a brief description of the roles of the national prototype kilograms in the dissemination of mass in the United States of America, and the implications for NIST mass calibration customers of the most recent recalibrations of K20 and K4.
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spelling pubmed-44872952015-11-23 The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms Kubarych, Zeina J Abbott, Patrick J J Res Natl Inst Stand Technol Article The National Institute of Standards and Technology (NIST) is responsible for the dissemination of the unit of mass within the United States of America through the national prototype kilogram K20 and its check standard K4. These platinum-iridium artifacts have been in use since 1889 and are periodically sent to the International Bureau of Weights and Measures (BIPM) for recalibration. The following is a brief description of the roles of the national prototype kilograms in the dissemination of mass in the United States of America, and the implications for NIST mass calibration customers of the most recent recalibrations of K20 and K4. [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 2014-03-12 /pmc/articles/PMC4487295/ /pubmed/26601023 http://dx.doi.org/10.6028/jres.119.001 Text en https://creativecommons.org/publicdomain/zero/1.0/ The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.
spellingShingle Article
Kubarych, Zeina J
Abbott, Patrick J
The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
title The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
title_full The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
title_fullStr The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
title_full_unstemmed The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
title_short The Dissemination of Mass in the United States: Results and Implications of Recent BIPM Calibrations of US National Prototype Kilograms
title_sort dissemination of mass in the united states: results and implications of recent bipm calibrations of us national prototype kilograms
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4487295/
https://www.ncbi.nlm.nih.gov/pubmed/26601023
http://dx.doi.org/10.6028/jres.119.001
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