Wong C K, Tsau D Y, Cohen D M, Munnelly K P
J Pharm Sci. 1977 May;66(5):736-8. doi: 10.1002/jps.2600660535.
A high-pressure liquid chromatographic method was developed for the quantitative determination of polythiazide in pharmaceutical tablet formulations after extraction of the powdered tablets with a water-acetonitrile solvent. Analysis is a accomplished by comparison of peak areas after chromatography.