More on IS response variations [Regulatives / Guidelines]

posted by Ohlbe – France, 2019-11-12 13:56  – Posting: # 20792
Views: 1,067

Dear Helmut,

» » […] "perhaps it is the ion source blah"
» If a stable isotope labeled internal standard is used, that’s the only reasonable explanation for me.

Well, it could also be a wrong dilution during the preparation of a new working solution, a variable recovery...


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