This might be a mixed chemistry / physics question, but I've always wondered what methods were used to precisely determine the levels down to trace amounts of all minerals in human tissues. I know there's a tissue preparation phase, in which I am interested though less than in the details of the ...

I have asked the question Why are isotopes an issue in reading mass spectra? I then inserted a follow-up question, but another user rolled the edit back to a previous version (revisions). The user then posted the follow-up question under their name, i.e. my name does not appear as the person who ...