Abstract
A method for the simultaneous ICP-MS determination of α- and β-emitting radionuclides in acid digested samples of concrete without further sample pretreatment is presented. Spectral and non-spectral interferences are corrected for by combining systematic internal standardization with bilinear multivariate calibration. Consequently, especially for radionuclides with long half-lives, ICP-MS is an alternative to radiometric analytical methods. The optimal multivariate calibration approach is the PLS1-model with preselected variables.
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Received: 2 December 1996 / Revised: 17 February 1997 / Accepted: 22 February 1997
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Rupprecht, M., Probst, T. Employing multivariate calibration for the determination of radionuclides by inductively coupled plasma-mass spectrometry. Fresenius J Anal Chem 359, 442–445 (1997). https://doi.org/10.1007/s002160050607
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DOI: https://doi.org/10.1007/s002160050607