Determination of steroids by densitometry of derivatives. I. Assay of estrogens as azobenzene-4-sulfonates.
D001391:Azo Compounds / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003720:Densitometry; D004958:Estradiol / Q000032:analysis; D004964:Estriol / Q000032:analysis; D004967:Estrogens / Q000032:analysis*; D004970:Estrone / Q000032:analysis; D013450:Sulfones / Q000032:analysis
D001391:Azo Compounds; D004967:Estrogens; D013450:Sulfones; D004970:Estrone; D004958:Estradiol; D004964:Estriol