hi to all,
i'm experiencing several issues with detection of elements such as sulfur and osmium at icp-oes. in particular, i work with an Agilent ICP, and at each analysis, i have to analyse these two elements alone in order to get good and reliable results. have you ever experienced similar issues? how did you manage them? did you set specific excitation wavelength for these two metals?
For S, see for example https://pubs.usgs.gov/of/2014/1067/pdf/ofr2014-1067.pdf, eu.wiley.com/legacy/wileychi/eac/pdf/A0848-W.PDF and https://www.ecn.nl/docs/society/horizontal/hor_desk_19_icp.pdf
For Os, see https://www.inorganicventures.com/samples-containing-ruthenium-and-osmium
We are also using Agilalent ICP-OES in our institute. But we did not experience thae same. I thing that the analysis of both the elements separately with the respective standard may give a better result.
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