The lower detectable limit of sulfur by fast neutron activation analysis

Gad Shani, David Cohen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


For the purpose of air pollution research, the possibility of fast neutron activation analysis of sulfur was investigated. The only reaction that can be used for this purpose is S34(n, p)P34. A rabbit system was installed, synchronized with a 150 kV D-T neutron generator and an electronic analysing system. The whole system was operated so that the sample was irradiated for 10 sec and the 2.13 MeV gamma ray was counted for 10 sec. 5 samples were prepared containing sulfur from 0.5 to 0.1 g. Each measurement lasted 30 min and the activity was plotted as a function of sulfur weight. The relative error is increased very much when the amount of sulfur is below 0.1 g. This is what sets the lower detectable limit. Collection of more than 0.1 g of sulfur even during a long collection time means a very high SO2 concentration in the air.

Original languageEnglish
Pages (from-to)349-350
Number of pages2
JournalApplied Radiation and Isotopes
Issue number7
StatePublished - 1 Jan 1976

ASJC Scopus subject areas

  • Radiation
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging


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