Analysis of slightly volatile samples by atomic-ionization spectrometry with laser ablation into flameстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The potentialities of laser-enhanced atomic-ionization spectrometry with laser ablation for the analysis of slightly volatile and difficultly ionized samples were studied using lithium polyvanadate as an example. The effect of the cathode voltage and the power of the ablation beam on the signal in the analysis of such samples was studied. The optimum measurement range was determined as a function of the number of subsequent ablation pulses acting upon the same surface point. This minimized the effect of the surface contaminants and the change in ablation conditions as the crater deepened.