Simultaneous Determination of Sodium, Potassium and Magnesium Counter Ions in Three Drugs: Pantoprazole Sodium, Losartan Potassium and Omeprazole Magnesium by Ion Chromatography

Abstract

The cationic counter ions are useful for the stability of pharmaceutical drug substances and drug product. As per the ICH Q1, the stability of the drug substance and drug product will be varying by not only the chemical entity of drug substances and also the counter ions or the excipient [1]. The cations