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ASTM International - ASTM E266-11

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

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Organization: ASTM International
Publication Date: 1 June 2011
Status: inactive
Page Count: 3
ICS Code (Radiation measurements): 17.240
ICS Code (Fissile materials and nuclear fuel technology): 27.120.30
significance And Use:

Refer to Guide E844 for the selection, irradiation, and quality control of neutron dosimeters.

Refer to Practice E261 for a general discussion of the determination of fast-neutron fluence... View More

scope:

1.1 This test method covers procedures measuring reaction rates by the activation reaction 27Al(n,α)24Na.

1.2 This activation reaction is useful for measuring neutrons with energies above approximately 6.5 MeV and for irradiation times up to about 2 days (for longer irradiations, see Practice E261).

1.3 With suitable techniques, fission-neutron fluence rates above 106 cm−2·s−1 can be determined.

1.4 Detailed procedures for other fast neutron detectors are referenced in Practice E261.

1.5 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

August 1, 2017
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
5.1 Refer to Guide E844 for the selection, irradiation, and quality control of neutron dosimeters. 5.2 Refer to Practice E261 for a general discussion of the determination of fast-neutron fluence...
ASTM E266-11
June 1, 2011
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
Refer to Guide E844 for the selection, irradiation, and quality control of neutron dosimeters. Refer to Practice E261 for a general discussion of the determination of fast-neutron fluence rate with...
June 1, 2007
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
Refer to Guide E 844 for the selection, irradiation, and quality control of neutron dosimeters. Refer to Practice E 261 for a general discussion of the determination of fast-neutron fluence rate...
June 10, 2002
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
1.1 This test method covers procedures measuring reaction rates by the activation reaction 7Al(n,alpha)24Na. 1.2 This activation reaction is useful for measuring neutrons with energies above...
January 1, 1996
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
1.1 This test method describes procedures measuring reaction rates by the activation reaction 27 Al(n,[alpha]) 24 Na. 1.2 This activation reaction is useful for measuring neutrons with energies...
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