About site:

Domain name - j-activation-analysis.org

Site title - JA3 放射化分析研究会

Go to website - JA3 放射化分析研究会

Site GEO location

Location Country - Japan

City/Town - Tobechō

Provider - NTT PC Communications, Inc.

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IP address:

1.33.180.209

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ns3.sphere.ad.jp ns4.sphere.ad.jp

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☆ j-activation-analysis.org. 21600 IN NS ns3.sphere.ad.jp.
☆ j-activation-analysis.org. 21600 IN NS ns4.sphere.ad.jp.
☆ j-activation-analysis.org. 21600 IN A 1.33.180.209
☆ j-activation-analysis.org. 21600 IN MX 10 j-activation-analysis.org.
☆ j-activation-analysis.org. 3600 IN TXT "v=spf1 include:fmx.etius.jp +ip4:1.33.180.2/32 +ip4:1.33.180.209/32 -all"

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Brief facts about activation analysis:

Neutron activation analysis is a nuclear process used for determining the concentrations of elements in many materials. NAA allows discrete sampling of elements as it disregards the chemical form of a sample, and focuses solely on atomic nuclei. The method is based on neutron activation and thus requires a neutron source. The sample is bombarded with neutrons, causing its constituent elements to form radioactive isotopes. The radioactive emissions and radioactive decay paths for each element have long been studied and determined. Using this information, it is possible to study spectra of the emissions of the radioactive sample, and determine the concentrations of the various elements within it. A particular advantage of this technique is that it does not destroy the sample, and thus has been used for the analysis of works of art and historical artifacts. NAA can also be used to determine the activity of a radioactive sample.

High Flux Isotope Reactor (HFIR) at Oak Ridge National Labs has NAA capabilities.

Neutron flux

Neutron howitzer - A neutron howitzer is a neutron source that emits neutrons in a single direction. It was discovered in the 1930s that alpha radiation that strikes the beryllium nucleus would release neutrons.

Scientific techniques

Analytical chemistry