Jurado, E Simplified spectrophotometric method using methylene blue for determining anionic surfactants: applications to the study of primary biodegradation in aerobic screening tests. [electronic resource] - Chemosphere Oct 2006 - 278-85 p. digital Publication Type: Journal Article ISSN: 0045-6535 Standard No.: 10.1016/j.chemosphere.2006.02.044 doi Subjects--Topical Terms: Alkanesulfonic Acids--analysisAnionsBiodegradation, EnvironmentalEnvironmental MonitoringKineticsMethylene Blue--chemistrySpectrophotometry--methodsSurface-Active Agents--analysisWater Pollutants, Chemical--analysis