Improving accuracy in routine instrumental activation analysis

Rolf Rosenberg, Riitta Zilliacus

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)180-200
JournalJournal of Radioanalytical Chemistry
Issue number1-2
Publication statusPublished - 1977
MoE publication typeA1 Journal article-refereed


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