Ultra-low current electrospray ionization of chloroform solution for the analysis of perfluorinated sulfonic acids.
Taoqing WangHuishan LiNicholas AllenIan FerraroAnyin LiPublished in: Rapid communications in mass spectrometry : RCM (2023)
Femtoamp and picoamp modes expand the solvent compatibility range of ESI and can enable quantitative analysis in parts per trillion (ppt) concentrations.