Methods to reduce false positive results

Confirmatory Testing & Analytical Challenges
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Just in case, I´m adding my post from weeks ago on this same topic where you can find attached the method developed by SWISS MEDIC using a QTRAP5500 technology.

One advantage I see on this method is that you don´t need or have to use a sodium adduct for quantitation in comparison with other methodologies.
See attached also the direct link to SWISS MEDIC

https://www.edqm.eu/documents/52006/1925123/Method+for+the+determination+of+N-nitroso-duloxetine+in+duloxetine+preparations.pdf/31453bd0-feba-31c1-3fec-2f0263a49fe1?t=1709204208774

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