Quantification of lithium at ppm level in geological samples using nuclear reaction analysis

Nathaly de la Rosa, Per Kristiansson, E. J.Charlotta Nilsson, Linus Ros, Jan Pallon, Henrik Skogby

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


Proton-induced reaction (p,α) is one type of nuclear reaction analysis (NRA) suitable especially for light element quantification. In the case of lithium quantification presented in this work, accelerated protons with an energy about of 850 keV were used to induce the 7Li(p,α)4He reaction in standard reference and geological samples such as tourmaline and other Li-minerals. It is shown that this technique for lithium quantification allowed for measurement of concentrations down below one ppm. The possibility to relate the lithium content with the boron content in a single analysis was also demonstrated using tourmaline samples, both in absolute concentration and in lateral distribution. In addition, Particle induced X-ray emission (PIXE) was utilized as a complementary IBA technique for simultaneous mapping of elements heavier than sodium.

Sidor (från-till)253-259
TidskriftJournal of Radioanalytical and Nuclear Chemistry
Tidigt onlinedatum2018 maj 28
StatusPublished - 2018

Ämnesklassifikation (UKÄ)

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