Publication details

Zlepšení opakovatelnosti SALD ICP MS analýzy pomocí substrátu ošetřeného studeným plazmatem

Title in English Improving SALD ICP MS Repeatibility Using Cold Plasma Treatment of Substrate
Authors

STIBOREK Marek SHEKARGOFTAR Masoud KANICKÝ Viktor KELAR Jakub PREISLER Jan

Year of publication 2018
Type Conference abstract
MU Faculty or unit

Faculty of Science

Citation
Description Substrate-assisted laser desorption inductively coupled plasma mass spectrometry (SALD ICP MS) allows direct and fast analysis of liquid samples applied to a polymer substrate in the form of dried droplets. The limitation of this technique is low repeatability of a determination with RSD values around 30 %. The addition of a suitable internal standard and surface treatment by Diffuse Coplanar Surface Barrier Discharge (DCSBD) improve the repeatability of the determination considerably. However, a disadvantage of this treatment is the occurrence of the “aging” effect,” i.e., a gradual regression of the modified physical-chemical properties of the substrate surface to an original state.
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