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ASTM International - ASTM E263-05

Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron

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Organization: ASTM International
Publication Date: 1 January 2005
Status: inactive
Page Count: 4
ICS Code (Radiation measurements): 17.240
ICS Code (Fissile materials and nuclear fuel technology): 27.120.30
scope:

1.1 This test method describes procedures for measuring reaction rates by the activation reaction 54Fe(n,p)54Mn.

1.2 This activation reaction is useful for measuring neutrons with energies above approximately 2.2 MeV and for irradiation times up to about 3 years (for longer irradiations, see Practice E 261).

1.3 With suitable techniques, fission-neutron fluence rates above 108 cm2s1 can be determined. However, in the presence of a high thermal-neutron fluence rate (for example, >2 1014 cm2s 1) 54Mn depletion should be investigated.

1.4 Detailed procedures describing the use of other fast-neutron detectors are referenced in Practice E 261.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

December 1, 2018
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
5.1 Refer to Guide E844 for guidance on the selection, irradiation, and quality control of neutron dosimeters. 5.2 Refer to Practice E261 for a general discussion of the determination of...
June 1, 2013
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
5.1 Refer to Guide E844 for guidance on the selection, irradiation, and quality control of neutron dosimeters. 5.2 Refer to Practice E261 for a general discussion of the determination of...
June 1, 2009
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
DESIG: E 263 09 ^TITLE: Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron ^SIGNUSE: Refer to Guide E 844 for guidance on the selection, irradiation, and...
ASTM E263-05
January 1, 2005
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
1.1 This test method describes procedures for measuring reaction rates by the activation reaction 54Fe(n,p)54Mn. 1.2 This activation reaction is useful for measuring neutrons with energies above...
January 10, 2000
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
1.1 This test method describes procedures for measuring reaction rates by the activation reaction Fe (n,p) Mn. 1.2 This activation reaction is useful for measuring neutrons with energies above...
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