The NanoSIMS 50L is the SIMS microprobe for isotopic and trace element analysis at high spatial resolution.
NanoSIMS is able to create nanoscale maps of elemental composition, parallel acquisition of seven masses, isotopic identification, combining the high mass resolution, subparts-per-million sensitivity of conventional SIMS with spatial resolution down to 50 nm and fast acquisition (DC mode, not pulsed) [REF].