Rangone, R Identification and quantitative analysis of p-hydroxybenzoic acid and its esters using reversed-phase thin-layer chromatography. [electronic resource] - Journal of chromatography Aug 1970 - 436-41 p. digital Publication Type: Journal Article Standard No.: 10.1016/s0021-9673(00)97969-x doi Subjects--Topical Terms: Benzoates--analysisBuffersChromatography, Thin LayerEstersFood Preservation--analysisPharmaceutic Aids--analysisSpectrophotometry