Fink, D W Facile separation of sulfonamides from their degradates by liquid--liquid extraction. [electronic resource] - Journal of pharmaceutical sciences Oct 1978 - 1415-9 p. digital Publication Type: Journal Article ISSN: 0022-3549 Standard No.: 10.1002/jps.2600671023 doi Subjects--Topical Terms: Animal FeedDrug StabilityMethodsPhotolysisSulfacetamide--analysisSulfamethazine--analogs & derivativesSulfanilamides--analysisSulfanilic Acids--analysisSulfaquinoxaline--analysisSulfonamides--analysis