noun Chemistry, Pharmacology.
Examples from the Web for phenolphthalein
If only perfectly fresh milk is used, the amount of acid will generally be about 0.15 per cent with phenolphthalein as indicator.Outlines of Dairy Bacteriology, 8th edition|H. L. Russell
Phecolax contains, in addition to the ingredients of Phecolates, phenolphthalein and cascarin, of each one-half grain.
Taurocol is a combination of bile salts, extracts of cascara sagrada, phenolphthalein and aromatics.
Note:—The potassium oxalate and the formalin must both be neutral to phenolphthalein.The Starvation Treatment of Diabetes|Lewis Webb Hill
The diluted solution is acid in reaction toward litmus and phenolphthalein and alkaline toward methyl orange.