TSK-GEL ODS-140HTP, 2.3 µm Columns for the Fast and Reliable Separation of Drugs Used in Cold and Sinus OTC Medicines

E-Separation Solutions

E-Separation Solutions-06-11-2009, Volume 0, Issue 0

Since the USA Patriot Act* has been enacted, many pharmaceutical companies have reformulated their over the counter (OTC) drug products with phenylephrine (a nasal decongestant) as a substitute for pseudoephedrine.