[Studies on mixed medicines for quantitative analysis. I. Colorimetric quantitative method of phenacetine with sodium 1,2-naphthoquinone-4-sulfonate].
D003124:Colorimetry; D009285:Naphthoquinones / Q000032:analysis*; D010615:Phenacetin / Q000032:analysis*; D013053:Spectrophotometry
D009285:Naphthoquinones; D010615:Phenacetin