Product/Service

Fast-Neutron Elemental Analyzer

Source: Element Analysis Corporation
Fast-neutron activation analysis (FNAA) is based on the detection of the prompt y-rays that are emitted from the nuclei in a sample following bombardment of the material with high-energy neutrons
Element Analysis Corporationneutron activation analysis (FNAA) is based on the detection of the prompt gamma rays that are emitted from the nuclei in a sample following bombardment of the material with high-energy neutrons. The specific isotope of interest is identified both by energy and half-life of the observed gamma ray while the conscetration of the element is determined by measuring and intensity of the gamma ray at a known point in time after the neutron irradiation of the sample. This technique is used in the analysis of the light elements boron, nitrongen, oxygen, silicon, phosphorus and fluorine which are often difficult to determine by other analytical techniques.

The technique can achieve a precision of 1-2% relative standard deviation on replicate oxygen analyses of complex matrices. This technique is suitable when sample digestion/dissolution is difficult or impossible, when the sample matrix is interfering with the conventional analysis method, and/or when the highest precision is required.

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