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Publikováno v:
Journal of South American Earth Sciences, Vol. 16, No 5 (2003) pp. 381-398
Early Cretaceous plutonic rocks exposed south of Copiapo ́ form part of the Coastal Batholith of northern Chile. These rocks intrude arc- derived volcanic and volcaniclastic rocks and marine limestones that were deposited in the Early Cretaceous Ata
Autor:
Pia Voldet
Publikováno v:
Trends in Analytical Chemistry, Vol. 12, No 8 (1993) pp. 339-344
This article evaluates the inductively coupled plasma—atomic emission spectroscopy (ICP-AES) technique for the determination of rare-earth elements in rocks. Comparisons are made with neutron activation analysis (NAA), another method commonly used
Autor:
Pia Voldet
Publikováno v:
Geostandards and Geoanalytical Research. 7:281-282
The rare-earth elements (REE) content of the FER-1, -2, -3, -4 canadian reference samples has been determined by neutron activation and high-resolution X-ray or γ-ray spectrometry. As these rocks are included in a new project of standardisation, the