View example sentences, synonyms and word forms for Phenolphthalein.
Phenolphthalein
Phenolphthalein meaning
A white or yellowish-white crystalline compound C₂₀H₁₄O₄ used in medicine as a laxative and in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids.
Synonyms of Phenolphthalein
Example sentences (3)
For example, if the equivalence point is at a pH of 8.4, then the Phenolphthalein indicator would be used instead of Alizarin Yellow because phenolphthalein would reduce the indicator error.
One method of testing a structure for carbonatation is to drill a fresh hole in the surface and then treat the cut surface with phenolphthalein indicator solution.
This means that they will turn phenolphthalein from colorless to pink.