Jamari , N L A , Behrens , A , Raab , A , Krupp , E M & Feldmann , J 2018 , ' Plasma processes to detect fluorine with ICPMS as M-F+ : an argument for building a negative mode ICPMS/MS ' , Journal of Analytical Atomic Spectrometry , vol. 33 , no. 8 , pp. 1304-1309 . https://doi.org/10.1039/C8JA00050F