[Colorimetric determination of organic bases using sulfonphthalein dyes].
D003124:Colorimetry; D004396:Coloring Agents; D009930:Organic Chemicals; D010635:Phenolphthaleins / Q000737:chemistry*
D004396:Coloring Agents; D009930:Organic Chemicals; D010635:Phenolphthaleins
COLORIMETRY; PHENOLPHTHALEINS/chemistry