ASTM E262

ASTM E262 is the ASTM standard for determining thermal neutron reaction rates and thermal neutron fluence rates by radioactivation techniques. It provides a technical basis for measuring neutron exposure in environments where thermal neutron behavior matters, helping users compare results with greater consistency. This standard is relevant when accurate neutron characterization is needed for testing, analysis, and quality-related decisions. By defining a common radioactivation approach, it supports more reliable measurement and interpretation in controlled technical work.

ASTM E262 standard overview

The ASTM E262 standard focuses on a radioactivation method for determining thermal neutron reaction rates and thermal neutron fluence rates. Its purpose is to help users measure neutron conditions in a controlled and reproducible way, using activation-based techniques rather than indirect estimation alone. The standard is useful as a technical reference when neutron field characterization must be documented clearly and compared across tests or setups. ASTM E262 supports consistent practice for users who need dependable thermal neutron measurement data.

Where is ASTM E262 used?

ASTM E262 is commonly used in technical environments where thermal neutron fields must be measured or assessed with radioactivation techniques. It may be applied in laboratory testing, neutron irradiation work, and other controlled settings where neutron fluence rates or reaction rates are of interest. The standard is especially relevant when users need a structured method for evaluating neutron exposure conditions and recording results in a consistent format for engineering or experimental purposes.

Practical importance of ASTM E262

In practice, ASTM E262 helps support measurement consistency, documentation, and comparison of thermal neutron data. It can be useful for compliance-related testing, quality control, and product or system evaluation where neutron response must be understood with care. Using a recognized ASTM standard may also reduce ambiguity in procurement and technical communication by giving all parties a shared test framework. That consistency is important when measurement accuracy affects downstream decisions or risk assessment.

• Thermal neutron reaction rate measurement
• Thermal neutron fluence rate determination
• Radioactivation-based test method
• Controlled neutron field evaluation
• Consistent technical reporting