ASTM E 264 : 1992 : R1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
15-09-2020
English
31-12-2010
1.1 This test method describes procedures for measuring reaction rates by the activation reaction 58 Ni(n,p) 58 Co.
1.2 This activation reaction is useful for measuring neutrons with energies above approximately 2.1 MeV and for irradiation times up to about 200 days in the absence of high thermal neutron fluence rates (for longer irradiations, see Test Method E261).
1.3 With suitable techniques fission-neutron fluence rates densities above 10 cm -2 [dot]s -1 can be determined.
1.4 Detailed procedures for other fast-neutron detectors are referenced in Test Method E261.
1.5 This standard does not purport to address all of the safety problems, 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.
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