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ASTM E266-02

Historical Revision

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

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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 approximately 6.5 MeV and for irradiation times up to about 2 days (for longer irradiations, see Practice E 261).

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

1.4 Detailed procedures for other fast neutron detectors are referenced in Practice E 261.

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.


SDO ASTM: ASTM International
Document Number E266
Publication Date June 10, 2002
Language en - English
Page Count 3
Revision Level 02
Supercedes
Committee E10.05
Publish Date Document Id Type View
June 1, 2023 E0266-23 Revision
Aug. 1, 2017 E0266-17 Revision
June 1, 2011 E0266-11 Revision
June 1, 2007 E0266-07 Revision
June 10, 2002 E0266-02 Revision
Jan. 1, 1992 E0266-92 Revision
Jan. 1, 1996 E0266-92R96 Reaffirmation