More on IS response variations [Regulatives / Guidelines]

posted by Ohlbe – France, 2019-11-12 13:56 (522 d 10:06 ago) – Posting: # 20792
Views: 3,118

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...

Regards
Ohlbe

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