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The Modified Notched Neutron Spectrum Technique for the Surveillance of Hydrogen in Reactor Materials / WH. Miller

Conference Author
Reactor Dosimetry (1993 : Vail, Colorado)
Physical Description
1 online resource (9 pages) : illustrations, figures, tables
Additional Creators
Miller, WH., American Society for Testing and Materials, and ASTM International
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Summary
The determination of hydrogen content in power reactor materials is a component of an overall surveillance program. Unfortunately, techniques that accurately and nondestructively measure hydrogen content at parts-per-million (ppm) levels have not previously been available. One possible hydrogen measuring technique is based upon the ¿̐ưnotched neutron spectrum technique¿̐ư that has been implemented by EG&G Idaho to characterize hydrogen content in reactor materials for the U.S. Navy. Modifications to this technique have already been demonstrated that increase its sensitivity and utility, allowing for a current accuracy of 0.4 micrograms of hydrogen per gram of steel or an equivalent weight of 6 micrograms in a typical steel sample. This paper describes further tests that have increased the dynamic range of these measurements and provided verification of the absolute calibration of the method.
Dates of Publication and/or Sequential Designation
Volume 1994, Issue 1228 (January 1994)
Subject(s)
Other Subject(s)
ISBN
9780803152816 (e-ISBN)
9780803118997
0803118996
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 8.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1994. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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