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Improving accuracy in routine instrumental activation analysis

  • Accuracy and Precision
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Abstract

An INAA procedure for routine analysis of rock samples is described. Samples are irradiated using a rotating sample holder. Measurement of the induced gamma activity is performed using an automatic gamma spectrometer and the elemental concentrations are calculated by a computer. The analytical error is discussed and the precision and accuracy evaluated experimentally. An average error of ±3–5% without considering counting statistics is obtained. Results for 19 elements in 8 international standard rocks are reported. A short discussion of the cost of the analysis is included.

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Authors and Affiliations

  1. Reactor Laboratory, Technical Research Centre of finland, SF-02150, Espoo 15, (Finland)

    R. J. Rosenberg & R. Zilliacus

Authors
  1. R. J. Rosenberg
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  2. R. Zilliacus
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Rosenberg, R.J., Zilliacus, R. Improving accuracy in routine instrumental activation analysis. J. Radioanal. Chem. 39, 189–200 (1977). https://doi.org/10.1007/BF02517226

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  • DOI: https://doi.org/10.1007/BF02517226

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