%0 conference lecture %@ %A Dutschke, F., Proefrock, D. %D 2017 %J European Winter Conference of Plasma Spektroskopie 2017, EWCPS 2017 %T Development and optimization of an extraction process for the semi quantitative determination of titanium dioxide nanoparticles in environmental samples using cFFF hyphenated to ICP-MS/MS %U %X