Chemistry-PTM-OMA_Modules_1-4

Selectivity (Quantitative and Qualitative)

• Develop a list of potential interferents.  • Test potential interferents in the presence and absence of the full  range of analytes.   • Report any observed positive or negative interference. • Positive interference is the enhancement of the analytical response in the  presence or absence of the analyte. • Negative interference is the reduction of the analytical response in the  presence of the analyte.