Dow, M L Semiautomated colorimetric determination of methenamine and methenamine mandelate in tablets. [electronic resource] - Journal - Association of Official Analytical Chemists May 1973 - 647-52 p. digital Publication Type: Journal Article ISSN: 0004-5756 Subjects--Topical Terms: AutoanalysisColorimetryIndicators and ReagentsMandelic Acids--analysisMethenamine--analysisMethodsPhosphatesSodiumTablets--analysisTablets, Enteric-Coated--analysis