Abstract
Measurements may be made with a precision of tenths or hundredths of a microgram. Small weights suffer from an unfavorable surface-to-mass ratio and should be checked from time to time. This may be done by regular procedures used in weight calibration, provided a suitable selection of nominal weight values exist in each set.
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References
Paul L. Kirk, Quantitative Ultramicroanalysis, John Wiley & Sons, New York, 1950.
John F. Hayford, “On the Least Square Adjustment of Weighings,” Report for 1892, Appendix No. 10. U.S. Coast and Geodetic Survey, Washington, D.C.
M. J. Rene Benoit, L’étalonnage des Series de Poids, Vol. XIII, Travaux et Memoires du Bureau International des Poids et Mesures, 1907. Translated from the French, June, 1960. Standardization of Sets of Weights by J. R. Benoit Library Convair (Astronautics) Division of General Dynamics Corporation, No. AE60–0003–10.
H. E. Aimer, L. B. Macurdy, H. S. Peiser, and E. A. Weck, “Weight Calibration Schemes for Two-Knife Direct-Reading Balances,” Engineering and Instrumentation, Section C., J. Research Nat. Bur. Standards, in press.
NBS Circular 547. Precision Laboratory Standards of Mass and Laboratory Weights. (Also included in NBS Handbook 77, Volume III.)
NBS Circular No. 3, Design and Test of Standards of Mass. (Also included in NBS Handbook 77, Vol. III.)
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© 1962 Springer Science+Business Media New York
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Macurdy, L.B. (1962). The Calibration at the National Bureau of Standards of Mass Standards for Ultramicroanalysis. In: Walker, R.F. (eds) Vacuum Microbalance Techniques. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-6285-0_12
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DOI: https://doi.org/10.1007/978-1-4899-6285-0_12
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4899-6155-6
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