Neutron activation analysis investigations in updating REE composition of gabbro GOG-1 reference sample: A comparison with SIMS and ICP-AES data |
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| Authors: | S. Meloni M. Oddone P. Bottazzi L. Ottolini R. Vannucci |
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| Affiliation: | (1) CRN-Centro per la Radiochimica ed Analisi per Attiavazione, viale Taramelli 12, 27100 Pavia, Italy;(2) Dipartimento di Chimica Generale, Università di Pavia, viale Taramelli 12, 27100 Pavia, Italy;(3) CNR-Centro di Studio per la Cristallochimica e la Cristallografia, via Bassi 4, 27100 Pavia, Italy;(4) Dipartimento di Scienze della Terra, Università di Pavia, via Bassi 4, 27100 Pavia, Italy |
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| Abstract: | An updata REE measurement of gabbro GOG-1 was carried out by means of neutron activation analysis (NAA). The availability of high amounts of rock powder allowed the sample to be well ground and homogenized before analysis. Homogeneity tests, carried out on different aliquots, show that GOG-1 samples can be considered homogeneous when over 50 mg aliquots of rock powder are employed for analytical work. Results from ICP-AES and SIMS investigations of REE in gabbro GOG-1 are in quite good agreement with NAA data and support the possibility of employing GOG-1 rock samples as reference material for geoanalysis. |
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