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ANALYSIS OF INTERLABORATORY MEASUREMENTS ON THE

VAPOR PRESSURE OF GOLD (CERTIFICATION OF STANDARD REFERENCE MATERIAL 745)

DOCUMENTS DEPARTMENT

MAR 8 1970

(INIVERSITY OF CALIFORNIA

U.S. Department of Commerce

115. National Bureau of Standards

U.S.S.D.

NATIONAL BUREAU OF STANDARDS

The National Bureau of Standards' was established by an act of Congress March 3, 1901. Today, in addition to serving as the Nation's central measurement laboratory, the Bureau is a principal focal point in the Federal Government for assuring maximum application of the physical and engineering sciences to the advancement of technology in industry and commerce. To this end the Bureau conducts research and provides central national services in four broad program areas. These are: (1) basic measurements and standards, (2) materials measurements and standards, (3) technological measurements and standards, and (4) transfer of technology. The Bureau comprises the Institute for Basic Standards, the Institute for Materials Research, the Institute for Applied Technology, the Center for Radiation Research, the Center for Computer Sciences and Technology, and the Office for Information Programs. THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates that system with measurement systems of other nations; and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce. The Institute consists of an Office of Measurement Services and the following technical divisions:

Applied Mathematics—Electricity_Metrology-Mechanics—Heat-Atomic and Molecular Physics—Radio Physics Radio Engineering Time and Frequency Astro

physics Cryogenics.? THE INSTITUTE FOR MATERIALS RESEARCH conducts materials research leading to improved methods of measurement standards, and data on the properties of well-characterized materials needed by industry, commerce, educational institutions, and Government; develops, produces, and distributes standard reference materials; relates the physical and chemical properties of materials to their behavior and their interaction with their environments; and provides advisory and research services to other Government agencies. The Institute consists of an Office of Standard Reference Materials and the following divisions:

Analytical Chemistry-Polymers—Metallurgy-Inorganic Materials Physical Chemistry, THE INSTITUTE FOR APPLIED TECHNOLOGY provides technical services to promote the use of available technology and to facilitate technological innovation in industry and Government; cooperates with public and private organizations in the development of technological standards, and test methodologies, and provides advisory and research services for Federal, state, and local government agencies. The Institute consists of the following technical divisions and offices:

Engineering Standards—Weights and Measures Invention and Innovation - Vehicle
Systems Research—Product Evaluation-Building Research–Instrument Shops—Meas-

urement Engineering Electronic Technology-Technical Analysis. THE CENTER FOR RADIATION RESEARCH engages in research, measurement, and application of radiation to the solution of Bureau mission problems and the problems of other agencies and institutions. The Center consists of the following divisions:

Reactor Radiation–Linac Radiation-Nuclear Radiation-Applied Radiation. THE CENTER FOR COMPUTER SCIENCES AND TECHNOLOGY conducts research and provides technical services designed to aid Government agencies in the selection, acquisition, and effective use of automatic data processing equipment; and serves as the principal focus for the development of Federal standards for automatic data processing equipment, techniques, and computer languages. The Center consists of the following offices and divisions: Information Processing Standards—Computer Information Computer Services

Systems Development-Information Processing Technology. THE OFFICE FOR INFORMATION PROGRAMS promotes optimum dissemination and accessibility of scientific information generated within NBS and other agencies of the Federal government; promotes the development of the National Standard Reference Data System and a system of information analysis centers dealing with the broader aspects of the National Measurement System, and provides appropriate services to ensure that the NBS staff has optimum accessibility to the scientific information of the world. The Office consists of the following organizational units:

Office of Standard Reference Data-Clearinghouse for Federal Scientific and Technical
Information Office of Technical Information and Publications-Library-Office of
Public Information Office of International Relations.

1 Headquarters and Laboratories at Gaithersburg, Maryland, unless otherwise noted ; mailing address Washington, D.C. 20234. ? Located at Boulder, Colorado 80302. * Located at 5285 Port Royal Road, Springfield, Virginia 22151,

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Analysis of Interlaboratory Measurements on the

Vapor Pressure of Gold
(Certification of Standard Reference Material 745)

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National Bureau of Standards Special Publication 260–19
Nat. Bur. Stand. (U.S.), Spec. Publ. 260–19, 21 pages (January 1970)

CODEN: XNBSA

Issued January 1970

For sale by the Superintendent of Documents, U.S. Government Printing Office
Washington, D.C. 20402 (Order by SD Catalog No. C 13.10: 260-19), Price 30 cents

Library of Congress Catalog Card Number: 70-603290
Contents

1. Introduction -
2. Treatment of data
3. Statistical analyses
4. Comparison of second and third law results.
5. Footnotes and references
6. Appendix.

Page

1 2 4 6 7 8

Tables

1. Summary of experimental methods..
2. List of experimental temperature-pressure data (Appendix)
3. Summary of second law results.
4. Summary of third law results.

2 10 3 4

Figures

Figures 1 to 5 (Appendix)
Figure 6.-
Figure 7

14 6 6

III

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