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Norm
ASTM E 263
Ausgabedatum: 2009
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...
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Herausgeber:
American Society for Testing and Materials
Format:
Digital | 4 Seiten
Sprache:
Englisch
Aktuell Gültig:
1.1 This test method describes procedures for measuring reaction rates by the activation reaction <(hoch)54>Fe(n,p)<(hoch)54>Mn. 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 10<(hoch)8> cm<(hoch)-2>·s<(hoch)-1> can be determined. However, in the presence of a high thermal-neutron fluence rate (for example, 2 × 10<(hoch)14> cm<(hoch)-2>·s<(hoch)-1>) <(hoch)54>Mn depletion should be investigated. 1.4 Detailed procedures describing the use of 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.
ASTM E 263
2018 12 01
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
Norm
ASTM E 263
2013 06 01
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
Norm
ASTM E 263
2009
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
Norm
↖
Norm
ASTM E 263
Ausgabedatum :
2013 06 01
Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron