title: Direct determination of fluorescent whitening agents by absorption measurement in situ on thin layer chromatograms.
abstract: The measuring technique for the chromatogram spectrophotometer (Zeiss) to determine the reflectance curves, the analysis according to the Kubelka-Munck function, and the basic outlines of the quantitative determination of stilbene fluorescent whitening agents (FWAs) are explained.
mesh_terms: D002855:Chromatography, Thin Layer; D004396:Coloring Agents / Q000032:analysis*; D008722:Methods; D010783:Photometry; D013237:Stereoisomerism; D013267:Stilbenes / Q000032:analysis
chemical_list: D004396:Coloring Agents; D013267:Stilbenes