Abstract
The proposed technique increases the accuracy and reliability of the results of analysis for arsenic content in soil, is characterized by an adequate detection limit for relatively low neutron flux density, and meets the GOST 17.4.3.03-85 requirements for methods for determination of contaminants in soil. Owing to the high selectivity and simplicity of the measurements, the feasibility of instrumental analysis of rather large inhomogeneous samples, and the lack of any need for special preparation of the sample, this technique is a useful supplement to neutron activation analysis methods for analysis of complex multicomponent objects (soils, bottom sediments, minerals, etc.). Due to the finite time required for the analysis, the major applications of the technique are practical ecological problems, in particular background monitoring, rather than routine control processes.
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