0 a substance that is colourless when it is mixed with an acid and pink or red when mixed with an alkali
1 a substance that is colorless when it is mixed with an acid and pink or red when mixed with an alkali
Stimulants, especially phenolphthalein and castor oil, can cause dehydration and electrolyte disturbances in the elderly patient.
This is, in fact, sold under a variety of names, some of which are antikamnia, ammonol, antitoxin, phenalgin, and phenolphthalein.
Phenolphthalein is insoluble in water and usually is dissolved in alcohols for use in experiments.
Several indicators share a similar structure to phenol red, including bromothymol blue, thymol blue, bromocresol purple, thymolphthalein, and phenolphthalein.
It is closely related to bisacodyl, sodium picosulfate, and phenolphthalein.
The acid-base indication abilities of phenolphthalein also make it useful for testing for signs of carbonation reactions in concrete.
This is typically achieved by boiling an alkaline solution of phenolphthalein with powdered zinc, which reduces the phenolphthalein into phenolphthalin.
Phenolphthalein is used in a test to identify substances that are thought to be, or to contain, blood.
