Engelsk substantiv: phenolphthalein | |||
1. | phenolphthalein (om gjenstand) a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8 | ||
Mindre spesifikke uttrykk | acid-base indicator, laxative | ||